CVE-2020-11055

{"containers": {"cna": {"affected": [{"product": "BookStack", "vendor": "BookStackApp", "versions": [{"status": "affected", "version": ">= 0.18.0, < 0.29.2"}]}], "descriptions": [{"lang": "en", "value": "In BookStack greater than or equal to 0.18.0 and less than 0.29.2, there is an XSS vulnerability in comment creation. A user with permission to create comments could POST HTML directly to the system to be saved in a comment, which would then be executed/displayed to others users viewing the comment. Through this vulnerability custom JavaScript code could be injected and therefore ran on other user machines. This most impacts scenarios where not-trusted users are given permission to create comments. This has been fixed in 0.29.2."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "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": "2020-05-13T06:06:14.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/BookStackApp/BookStack/security/advisories/GHSA-5vf7-q87h-pg6w"}, {"tags": ["x_refsource_MISC"], "url": "https://bookstackapp.com/blog/beta-release-v0-29-2/"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/BookStackApp/BookStack/releases/tag/v0.29.2"}, {"name": "JVN#41035278", "tags": ["third-party-advisory", "x_refsource_JVN"], "url": "http://jvn.jp/en/jp/JVN41035278/index.html"}], "source": {"advisory": "GHSA-5vf7-q87h-pg6w", "discovery": "UNKNOWN"}, "title": "Cross-site Scripting in BookStack", "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security-advisories@github.com", "ID": "CVE-2020-11055", "STATE": "PUBLIC", "TITLE": "Cross-site Scripting in BookStack"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "BookStack", "version": {"version_data": [{"version_value": ">= 0.18.0, < 0.29.2"}]}}]}, "vendor_name": "BookStackApp"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In BookStack greater than or equal to 0.18.0 and less than 0.29.2, there is an XSS vulnerability in comment creation. A user with permission to create comments could POST HTML directly to the system to be saved in a comment, which would then be executed/displayed to others users viewing the comment. Through this vulnerability custom JavaScript code could be injected and therefore ran on other user machines. This most impacts scenarios where not-trusted users are given permission to create comments. This has been fixed in 0.29.2."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "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://github.com/BookStackApp/BookStack/security/advisories/GHSA-5vf7-q87h-pg6w", "refsource": "CONFIRM", "url": "https://github.com/BookStackApp/BookStack/security/advisories/GHSA-5vf7-q87h-pg6w"}, {"name": "https://bookstackapp.com/blog/beta-release-v0-29-2/", "refsource": "MISC", "url": "https://bookstackapp.com/blog/beta-release-v0-29-2/"}, {"name": "https://github.com/BookStackApp/BookStack/releases/tag/v0.29.2", "refsource": "MISC", "url": "https://github.com/BookStackApp/BookStack/releases/tag/v0.29.2"}, {"name": "JVN#41035278", "refsource": "JVN", "url": "http://jvn.jp/en/jp/JVN41035278/index.html"}]}, "source": {"advisory": "GHSA-5vf7-q87h-pg6w", "discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T11:21:14.640Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/BookStackApp/BookStack/security/advisories/GHSA-5vf7-q87h-pg6w"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bookstackapp.com/blog/beta-release-v0-29-2/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/BookStackApp/BookStack/releases/tag/v0.29.2"}, {"name": "JVN#41035278", "tags": ["third-party-advisory", "x_refsource_JVN", "x_transferred"], "url": "http://jvn.jp/en/jp/JVN41035278/index.html"}]}]}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2020-11055", "datePublished": "2020-05-07T20:40:14.000Z", "dateReserved": "2020-03-30T00:00:00.000Z", "dateUpdated": "2024-08-04T11:21:14.640Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "BookStack", "vendor": "BookStackApp", "versions": [{"status": "affected", "version": ">= 0.18.0, < 0.29.2"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:bookstackapp:bookstack:*:*:*:*:*:*:*:*", "matchCriteriaId": "7B988CCC-6913-4C11-8ABD-A4E5660EDFBB", "versionEndExcluding": "0.29.2", "versionStartIncluding": "0.18.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In BookStack greater than or equal to 0.18.0 and less than 0.29.2, there is an XSS vulnerability in comment creation. A user with permission to create comments could POST HTML directly to the system to be saved in a comment, which would then be executed/displayed to others users viewing the comment. Through this vulnerability custom JavaScript code could be injected and therefore ran on other user machines. This most impacts scenarios where not-trusted users are given permission to create comments. This has been fixed in 0.29.2."}, {"lang": "es", "value": "En BookStack versiones posteriores o igual a 0.18.0 y versiones menores a 0.29.2, se presenta una vulnerabilidad de tipo XSS en la creaci\u00f3n de comentarios. Un usuario con permiso para crear comentarios podr\u00eda PUBLICAR HTML directamente en el sistema para ser guardado en un comentario, que luego es ejecutado y desplegado a otros usuarios que visualicen el comentario. Por medio de esta vulnerabilidad, el c\u00f3digo JavaScript personalizado podr\u00eda ser inyectado y, por lo tanto, ejecutarse en otras m\u00e1quinas de usuario. Esto impacta m\u00e1s a los escenarios en los que los usuarios no confiables se le otorgan permiso para crear comentarios. Esto se ha corregido en 0.29.2."}], "id": "CVE-2020-11055", "lastModified": "2026-06-17T02:48:57.423", "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": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.4, "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"}]}, "published": "2020-05-07T21:15:11.733", "references": [{"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "http://jvn.jp/en/jp/JVN41035278/index.html"}, {"source": "security-advisories@github.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://bookstackapp.com/blog/beta-release-v0-29-2/"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/BookStackApp/BookStack/releases/tag/v0.29.2"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/BookStackApp/BookStack/security/advisories/GHSA-5vf7-q87h-pg6w"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://jvn.jp/en/jp/JVN41035278/index.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://bookstackapp.com/blog/beta-release-v0-29-2/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes"], "url": "https://github.com/BookStackApp/BookStack/releases/tag/v0.29.2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/BookStackApp/BookStack/security/advisories/GHSA-5vf7-q87h-pg6w"}], "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"}]}

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