{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54506", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-15T18:01:15.512Z", "datePublished": "2026-09-17T21:47:20.530Z", "dateUpdated": "2026-09-17T21:47:20.530Z"}, "containers": {"cna": {"title": "Vvveb: Stored XSS via sanitizeHTML() bypass in user profile bio field", "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "lang": "en", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-116", "lang": "en", "description": "CWE-116: Improper Encoding or Escaping of Output", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-185", "lang": "en", "description": "CWE-185: Incorrect Regular Expression", "type": "CWE"}]}], "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"}}], "references": [{"name": "https://github.com/givanz/Vvveb/security/advisories/GHSA-5cg7-phhv-4qjr", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/givanz/Vvveb/security/advisories/GHSA-5cg7-phhv-4qjr"}, {"name": "https://github.com/givanz/Vvveb/commit/20a01ef08559ffdc97205edeecde86c8ea27e567", "tags": ["x_refsource_MISC"], "url": "https://github.com/givanz/Vvveb/commit/20a01ef08559ffdc97205edeecde86c8ea27e567"}, {"name": "https://github.com/givanz/Vvveb/releases/tag/1.0.8.5", "tags": ["x_refsource_MISC"], "url": "https://github.com/givanz/Vvveb/releases/tag/1.0.8.5"}], "affected": [{"vendor": "givanz", "product": "Vvveb", "versions": [{"version": "< 1.0.8.5", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-17T21:47:20.530Z"}, "descriptions": [{"lang": "en", "value": "Vvveb is a powerful and easy to use CMS with page builder to build websites, blogs or ecommerce stores. Prior to 1.0.8.5, app/controller/user/profile.php accepts the user[bio] field and passes stored content through sanitizeHTML() in system/functions.php, whose on* event-handler regular expression omits the forward-slash delimiter and whose do-while condition compares the string to itself, so forbidden nested tags are removed only once. An Author-role or higher user can submit solidus-prefixed event-handler markup or nested forbidden tags that survive sanitization. The stored bio is rendered without sufficient output encoding on /author/{username}, in the admin user-management view, and potentially in comment displays, causing attacker-controlled JavaScript to execute when unauthenticated visitors, administrators, or other users view the content. This can expose browser-session data and permit victim-context account actions, defacement, or phishing. This issue is fixed in version 1.0.8.5."}], "source": {"advisory": "GHSA-5cg7-phhv-4qjr", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "Vvveb", "vendor": "givanz", "versions": [{"status": "affected", "version": "< 1.0.8.5"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Vvveb is a powerful and easy to use CMS with page builder to build websites, blogs or ecommerce stores. Prior to 1.0.8.5, app/controller/user/profile.php accepts the user[bio] field and passes stored content through sanitizeHTML() in system/functions.php, whose on* event-handler regular expression omits the forward-slash delimiter and whose do-while condition compares the string to itself, so forbidden nested tags are removed only once. An Author-role or higher user can submit solidus-prefixed event-handler markup or nested forbidden tags that survive sanitization. The stored bio is rendered without sufficient output encoding on /author/{username}, in the admin user-management view, and potentially in comment displays, causing attacker-controlled JavaScript to execute when unauthenticated visitors, administrators, or other users view the content. This can expose browser-session data and permit victim-context account actions, defacement, or phishing. This issue is fixed in version 1.0.8.5."}], "id": "CVE-2026-54506", "lastModified": "2026-09-17T22:17:00.673", "metrics": {"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"}]}, "published": "2026-09-17T22:17:00.537", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/givanz/Vvveb/commit/20a01ef08559ffdc97205edeecde86c8ea27e567"}, {"source": "security-advisories@github.com", "url": "https://github.com/givanz/Vvveb/releases/tag/1.0.8.5"}, {"source": "security-advisories@github.com", "url": "https://github.com/givanz/Vvveb/security/advisories/GHSA-5cg7-phhv-4qjr"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}, {"lang": "en", "value": "CWE-116"}, {"lang": "en", "value": "CWE-185"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}