CVE-2021-3866

{"containers": {"cna": {"affected": [{"product": "zulip/zulip", "vendor": "zulip", "versions": [{"lessThan": "unspecified", "status": "affected", "version": "44f935695d452cc3fb16845a0c6af710438b153d", "versionType": "custom"}, {"lessThan": "3eb2791c3e9695f7d37ffe84e0c2184fae665cb6", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Cross-site Scripting (XSS) - Stored in GitHub repository zulip/zulip more than and including 44f935695d452cc3fb16845a0c6af710438b153d and prior to 3eb2791c3e9695f7d37ffe84e0c2184fae665cb6."}], "metrics": [{"cvssV3_0": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:L/A:L", "version": "3.0"}}], "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": "2022-01-29T10:45:13.000Z", "orgId": "c09c270a-b464-47c1-9133-acb35b22c19a", "shortName": "@huntrdev"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://huntr.dev/bounties/5f48dac5-e112-4b23-bbbf-cc00ba83bcf2"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/zulip/zulip/commit/3eb2791c3e9695f7d37ffe84e0c2184fae665cb6"}, {"tags": ["x_refsource_MISC"], "url": "https://blog.zulip.com/2022/01/19/cve-2021-3866/"}], "source": {"advisory": "5f48dac5-e112-4b23-bbbf-cc00ba83bcf2", "discovery": "EXTERNAL"}, "title": "Cross-site Scripting (XSS) - Stored in zulip/zulip", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@huntr.dev", "ID": "CVE-2021-3866", "STATE": "PUBLIC", "TITLE": "Cross-site Scripting (XSS) - Stored in zulip/zulip"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "zulip/zulip", "version": {"version_data": [{"version_affected": ">=", "version_value": "44f935695d452cc3fb16845a0c6af710438b153d"}, {"version_affected": "<", "version_value": "3eb2791c3e9695f7d37ffe84e0c2184fae665cb6"}]}}]}, "vendor_name": "zulip"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Cross-site Scripting (XSS) - Stored in GitHub repository zulip/zulip more than and including 44f935695d452cc3fb16845a0c6af710438b153d and prior to 3eb2791c3e9695f7d37ffe84e0c2184fae665cb6."}]}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:L/A:L", "version": "3.0"}}, "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://huntr.dev/bounties/5f48dac5-e112-4b23-bbbf-cc00ba83bcf2", "refsource": "CONFIRM", "url": "https://huntr.dev/bounties/5f48dac5-e112-4b23-bbbf-cc00ba83bcf2"}, {"name": "https://github.com/zulip/zulip/commit/3eb2791c3e9695f7d37ffe84e0c2184fae665cb6", "refsource": "MISC", "url": "https://github.com/zulip/zulip/commit/3eb2791c3e9695f7d37ffe84e0c2184fae665cb6"}, {"name": "https://blog.zulip.com/2022/01/19/cve-2021-3866/", "refsource": "MISC", "url": "https://blog.zulip.com/2022/01/19/cve-2021-3866/"}]}, "source": {"advisory": "5f48dac5-e112-4b23-bbbf-cc00ba83bcf2", "discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:09:09.603Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://huntr.dev/bounties/5f48dac5-e112-4b23-bbbf-cc00ba83bcf2"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/zulip/zulip/commit/3eb2791c3e9695f7d37ffe84e0c2184fae665cb6"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://blog.zulip.com/2022/01/19/cve-2021-3866/"}]}]}, "cveMetadata": {"assignerOrgId": "c09c270a-b464-47c1-9133-acb35b22c19a", "assignerShortName": "@huntrdev", "cveId": "CVE-2021-3866", "datePublished": "2022-01-20T10:30:11.000Z", "dateReserved": "2021-10-07T00:00:00.000Z", "dateUpdated": "2024-08-03T17:09:09.603Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "zulip/zulip", "vendor": "zulip", "versions": [{"lessThan": "unspecified", "status": "affected", "version": "44f935695d452cc3fb16845a0c6af710438b153d", "versionType": "custom"}, {"lessThan": "3eb2791c3e9695f7d37ffe84e0c2184fae665cb6", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@huntr.dev"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:zulip:zulip:*:*:*:*:*:*:*:*", "matchCriteriaId": "C448E394-82E2-49E3-87E3-B80CF406D2FF", "versionEndIncluding": "4.8", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Cross-site Scripting (XSS) - Stored in GitHub repository zulip/zulip more than and including 44f935695d452cc3fb16845a0c6af710438b153d and prior to 3eb2791c3e9695f7d37ffe84e0c2184fae665cb6."}, {"lang": "es", "value": "Cross-site Scripting (XSS) - Almacenado en el repositorio de GitHub zulip/zulip m\u00e1s de e incluyendo 44f935695d452cc3fb16845a0c6af710438b153d y antes de 3eb2791c3e9695f7d37ffe84e0c2184fae665cb6"}], "id": "CVE-2021-3866", "lastModified": "2026-06-17T04:05:55.267", "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}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:L/A:L", "version": "3.0"}, "exploitabilityScore": 1.0, "impactScore": 5.3, "source": "security@huntr.dev", "type": "Secondary"}], "cvssMetricV31": [{"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"}]}, "published": "2022-01-20T11:15:07.927", "references": [{"source": "security@huntr.dev", "tags": ["Vendor Advisory"], "url": "https://blog.zulip.com/2022/01/19/cve-2021-3866/"}, {"source": "security@huntr.dev", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/zulip/zulip/commit/3eb2791c3e9695f7d37ffe84e0c2184fae665cb6"}, {"source": "security@huntr.dev", "tags": ["Exploit", "Third Party Advisory"], "url": "https://huntr.dev/bounties/5f48dac5-e112-4b23-bbbf-cc00ba83bcf2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://blog.zulip.com/2022/01/19/cve-2021-3866/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/zulip/zulip/commit/3eb2791c3e9695f7d37ffe84e0c2184fae665cb6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://huntr.dev/bounties/5f48dac5-e112-4b23-bbbf-cc00ba83bcf2"}], "sourceIdentifier": "security@huntr.dev", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security@huntr.dev", "type": "Secondary"}]}

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