{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-55230", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-16T16:16:32.628Z", "datePublished": "2026-10-01T18:42:50.082Z", "dateUpdated": "2026-10-01T19:23:19.200Z"}, "containers": {"cna": {"title": "Vvveb: Stored XSS in Vvveb via sanitizeHTML() filter bypass using a quoted greater-than character", "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "lang": "en", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/givanz/Vvveb/security/advisories/GHSA-97xr-82vc-wj2v", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/givanz/Vvveb/security/advisories/GHSA-97xr-82vc-wj2v"}, {"name": "https://github.com/givanz/Vvveb/releases/tag/1.0.8.6", "tags": ["x_refsource_MISC"], "url": "https://github.com/givanz/Vvveb/releases/tag/1.0.8.6"}], "affected": [{"vendor": "givanz", "product": "Vvveb", "versions": [{"version": "< 1.0.8.6", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-01T18:42:50.082Z"}, "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 version 1.0.8.6, Vvveb's HTML sanitizer fails to strip event-handler attributes when a tag carries a greater-than character inside a quoted attribute value. A low-privilege content author (default role author or contributor) can store a payload in post or product content that runs JavaScript in a browser of every visitor and of any administrator who views or previews that content, which opens a path to admin account takeover. This issue has been patched in version 1.0.8.6."}], "source": {"advisory": "GHSA-97xr-82vc-wj2v", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/givanz/Vvveb/security/advisories/GHSA-97xr-82vc-wj2v", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-01T19:22:58.340870Z", "id": "CVE-2026-55230", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-01T19:23:19.200Z"}}]}}

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{"affected": [{"affectedData": [{"product": "Vvveb", "vendor": "givanz", "versions": [{"status": "affected", "version": "< 1.0.8.6"}]}], "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 version 1.0.8.6, Vvveb's HTML sanitizer fails to strip event-handler attributes when a tag carries a greater-than character inside a quoted attribute value. A low-privilege content author (default role author or contributor) can store a payload in post or product content that runs JavaScript in a browser of every visitor and of any administrator who views or previews that content, which opens a path to admin account takeover. This issue has been patched in version 1.0.8.6."}], "id": "CVE-2026-55230", "lastModified": "2026-10-01T19:17:21.640", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 5.8, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-01T19:17:21.503", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/givanz/Vvveb/releases/tag/1.0.8.6"}, {"source": "security-advisories@github.com", "url": "https://github.com/givanz/Vvveb/security/advisories/GHSA-97xr-82vc-wj2v"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Primary"}]}

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