{"id":"CVE-2026-55230","summary":"Vvveb: Stored XSS in Vvveb via sanitizeHTML() filter bypass using a quoted greater-than character","details":"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.","aliases":["GHSA-97xr-82vc-wj2v"],"modified":"2026-10-02T11:30:37.276551690Z","published":"2026-10-01T18:42:50.082Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-79"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55230.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55230.json"},{"type":"WEB","url":"https://github.com/givanz/Vvveb/releases/tag/1.0.8.6"},{"type":"ADVISORY","url":"https://github.com/givanz/Vvveb/security/advisories/GHSA-97xr-82vc-wj2v"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55230"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/givanz/vvveb","events":[{"introduced":"0"},{"fixed":"e27d1ef097a8502c33f8cc94271c948407c5dce3"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"1.0.8.6"}],"source":"AFFECTED_FIELD"}}],"versions":["1.0.8.5","1.0.8.4","1.0.8.3","1.0.8.2","1.0.8.1","1.0.8","1.0.7.3","1.0.7.2","1.0.7.1","1.0.7","1.0.6","1.0.5","1.0.4","1.0.3","1.0.2","1.0.1","1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-55230.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N"}]}