CVE-2022-21650

{"containers": {"cna": {"affected": [{"product": "convos", "vendor": "convos-chat", "versions": [{"status": "affected", "version": ">= 6.48, < 6.52"}]}], "descriptions": [{"lang": "en", "value": "Convos is an open source multi-user chat that runs in a web browser. You can't use SVG extension in Convos' chat window, but you can upload a file with an .html extension. By uploading an SVG file with an html extension the upload filter can be bypassed. This causes Stored XSS. Also, after uploading a file the XSS attack is triggered upon a user viewing the file. Through this vulnerability, an attacker is capable to execute malicious scripts. Users are advised to update as soon as possible."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-01-04T20:40:14.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#First-vulnerability"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/convos-chat/convos/commit/5c0a1ec9a2c147bc3b63fd5a48da5f32e18fe5df"}, {"tags": ["x_refsource_MISC"], "url": "https://www.huntr.dev/bounties/ae424798-de01-4972-b73b-2db674f82368/"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/convos-chat/convos/security/advisories/GHSA-mm2v-4v7g-m695"}], "source": {"advisory": "GHSA-mm2v-4v7g-m695", "discovery": "UNKNOWN"}, "title": "Stored XSS via html file upload in convos", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2022-21650", "STATE": "PUBLIC", "TITLE": "Stored XSS via html file upload in convos"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "convos", "version": {"version_data": [{"version_value": ">= 6.48, < 6.52"}]}}]}, "vendor_name": "convos-chat"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Convos is an open source multi-user chat that runs in a web browser. You can't use SVG extension in Convos' chat window, but you can upload a file with an .html extension. By uploading an SVG file with an html extension the upload filter can be bypassed. This causes Stored XSS. Also, after uploading a file the XSS attack is triggered upon a user viewing the file. Through this vulnerability, an attacker is capable to execute malicious scripts. Users are advised to update as soon as possible."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}]}, "references": {"reference_data": [{"name": "https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#First-vulnerability", "refsource": "MISC", "url": "https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#First-vulnerability"}, {"name": "https://github.com/convos-chat/convos/commit/5c0a1ec9a2c147bc3b63fd5a48da5f32e18fe5df", "refsource": "MISC", "url": "https://github.com/convos-chat/convos/commit/5c0a1ec9a2c147bc3b63fd5a48da5f32e18fe5df"}, {"name": "https://www.huntr.dev/bounties/ae424798-de01-4972-b73b-2db674f82368/", "refsource": "MISC", "url": "https://www.huntr.dev/bounties/ae424798-de01-4972-b73b-2db674f82368/"}, {"name": "https://github.com/convos-chat/convos/security/advisories/GHSA-mm2v-4v7g-m695", "refsource": "CONFIRM", "url": "https://github.com/convos-chat/convos/security/advisories/GHSA-mm2v-4v7g-m695"}]}, "source": {"advisory": "GHSA-mm2v-4v7g-m695", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T02:46:39.544Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#First-vulnerability"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/convos-chat/convos/commit/5c0a1ec9a2c147bc3b63fd5a48da5f32e18fe5df"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.huntr.dev/bounties/ae424798-de01-4972-b73b-2db674f82368/"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/convos-chat/convos/security/advisories/GHSA-mm2v-4v7g-m695"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-04-22T15:52:26.252662Z", "id": "CVE-2022-21650", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-22T18:34:37.741Z"}}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2022-21650", "datePublished": "2022-01-04T20:40:14.000Z", "dateReserved": "2021-11-16T00:00:00.000Z", "dateUpdated": "2025-04-22T18:34:37.741Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"containers": {"cna": {"affected": [{"product": "convos", "vendor": "convos-chat", "versions": [{"status": "affected", "version": ">= 6.48, < 6.52"}]}], "descriptions": [{"lang": "en", "value": "Convos is an open source multi-user chat that runs in a web browser. You can't use SVG extension in Convos' chat window, but you can upload a file with an .html extension. By uploading an SVG file with an html extension the upload filter can be bypassed. This causes Stored XSS. Also, after uploading a file the XSS attack is triggered upon a user viewing the file. Through this vulnerability, an attacker is capable to execute malicious scripts. Users are advised to update as soon as possible."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-01-04T20:40:14.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#First-vulnerability"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/convos-chat/convos/commit/5c0a1ec9a2c147bc3b63fd5a48da5f32e18fe5df"}, {"tags": ["x_refsource_MISC"], "url": "https://www.huntr.dev/bounties/ae424798-de01-4972-b73b-2db674f82368/"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/convos-chat/convos/security/advisories/GHSA-mm2v-4v7g-m695"}], "source": {"advisory": "GHSA-mm2v-4v7g-m695", "discovery": "UNKNOWN"}, "title": "Stored XSS via html file upload in convos", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2022-21650", "STATE": "PUBLIC", "TITLE": "Stored XSS via html file upload in convos"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "convos", "version": {"version_data": [{"version_value": ">= 6.48, < 6.52"}]}}]}, "vendor_name": "convos-chat"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Convos is an open source multi-user chat that runs in a web browser. You can't use SVG extension in Convos' chat window, but you can upload a file with an .html extension. By uploading an SVG file with an html extension the upload filter can be bypassed. This causes Stored XSS. Also, after uploading a file the XSS attack is triggered upon a user viewing the file. Through this vulnerability, an attacker is capable to execute malicious scripts. Users are advised to update as soon as possible."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}]}, "references": {"reference_data": [{"name": "https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#First-vulnerability", "refsource": "MISC", "url": "https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#First-vulnerability"}, {"name": "https://github.com/convos-chat/convos/commit/5c0a1ec9a2c147bc3b63fd5a48da5f32e18fe5df", "refsource": "MISC", "url": "https://github.com/convos-chat/convos/commit/5c0a1ec9a2c147bc3b63fd5a48da5f32e18fe5df"}, {"name": "https://www.huntr.dev/bounties/ae424798-de01-4972-b73b-2db674f82368/", "refsource": "MISC", "url": "https://www.huntr.dev/bounties/ae424798-de01-4972-b73b-2db674f82368/"}, {"name": "https://github.com/convos-chat/convos/security/advisories/GHSA-mm2v-4v7g-m695", "refsource": "CONFIRM", "url": "https://github.com/convos-chat/convos/security/advisories/GHSA-mm2v-4v7g-m695"}]}, "source": {"advisory": "GHSA-mm2v-4v7g-m695", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T02:46:39.544Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#First-vulnerability"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/convos-chat/convos/commit/5c0a1ec9a2c147bc3b63fd5a48da5f32e18fe5df"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.huntr.dev/bounties/ae424798-de01-4972-b73b-2db674f82368/"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/convos-chat/convos/security/advisories/GHSA-mm2v-4v7g-m695"}]}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2022-21650", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-04-22T15:52:26.252662Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-22T15:52:27.957Z"}}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2022-21650", "datePublished": "2022-01-04T20:40:14.000Z", "dateReserved": "2021-11-16T00:00:00.000Z", "dateUpdated": "2025-04-22T18:34:37.741Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "convos", "vendor": "convos-chat", "versions": [{"status": "affected", "version": ">= 6.48, < 6.52"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:convos:convos:*:*:*:*:*:*:*:*", "matchCriteriaId": "42955894-27BC-4EC0-BC2B-4FC4ED207A87", "versionEndExcluding": "6.52", "versionStartIncluding": "6.48", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Convos is an open source multi-user chat that runs in a web browser. You can't use SVG extension in Convos' chat window, but you can upload a file with an .html extension. By uploading an SVG file with an html extension the upload filter can be bypassed. This causes Stored XSS. Also, after uploading a file the XSS attack is triggered upon a user viewing the file. Through this vulnerability, an attacker is capable to execute malicious scripts. Users are advised to update as soon as possible."}, {"lang": "es", "value": "Convos es un chat multiusuario de c\u00f3digo abierto que es ejecutado en un navegador web. No puede usarse la extensi\u00f3n SVG en la ventana de chat de Convos, pero puede subirse un archivo con extensi\u00f3n .html. Al subir un archivo SVG con una extensi\u00f3n html puede omitirse el filtro de subida. Esto causa un ataque de tipo XSS almacenado. Adem\u00e1s, despu\u00e9s de subir un archivo, el ataque de tipo XSS es desencadenado cuando un usuario visualiza el archivo. Mediante esta vulnerabilidad, un atacante es capaz de ejecutar scripts maliciosos. Se aconseja a usuarios que actualicen lo antes posible"}], "id": "CVE-2022-21650", "lastModified": "2026-06-17T04:26:41.113", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 3.5, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 4.7, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-21650", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-04-22T15:52:26.252662Z", "version": "2.0.3"}}]}, "published": "2022-01-04T21:15:07.943", "references": [{"source": "security-advisories@github.com", "tags": ["Broken Link"], "url": "https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#First-vulnerability"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/convos-chat/convos/commit/5c0a1ec9a2c147bc3b63fd5a48da5f32e18fe5df"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/convos-chat/convos/security/advisories/GHSA-mm2v-4v7g-m695"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://www.huntr.dev/bounties/ae424798-de01-4972-b73b-2db674f82368/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "https://blog.pocas.kr/2021/12/30/2021-12-30-s-xss-convos-chat/#First-vulnerability"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/convos-chat/convos/commit/5c0a1ec9a2c147bc3b63fd5a48da5f32e18fe5df"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/convos-chat/convos/security/advisories/GHSA-mm2v-4v7g-m695"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://www.huntr.dev/bounties/ae424798-de01-4972-b73b-2db674f82368/"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}