{"id":"CVE-2026-52772","aliases":["GHSA-xc7j-3g8q-9vh4"],"url":"https://o3.security/vulnerability/CVE-2026-52772","summary":"YesWiki: Bazar form-field templates still apply `|raw('html')` to `field.label` / `field.hint` in attribute and label-body contexts — stored XSS in form renders (sibling class of commit `e6b66aa`)","details":"YesWiki is a wiki system written in PHP. Prior to version 4.6.6, Bazar form-field templates still apply |raw('html') to field.label / field.hint in attribute and label-body contexts, resulting stored XSS in form renders. This issue has been patched in version 4.6.6.","published":"2026-09-04T23:42:39.903Z","modified":"2026-09-06T03:46:02.029441126Z","cvss":{"score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N"},"epss":{"score":0.00197,"percentile":0.09492,"asOf":"2026-09-07"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"yeswiki/yeswiki","fixedVersion":"4.6.6"}],"fix":{"url":"https://github.com/YesWiki/yeswiki/commit/5d1a4d07fecb0706f33e5dfbbe6ff5ef1892b2a7","label":"YesWiki/yeswiki@5d1a4d0"},"references":[{"type":"WEB","url":"https://github.com/YesWiki/yeswiki/releases/tag/v4.6.6"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52772.json"},{"type":"ADVISORY","url":"https://github.com/YesWiki/yeswiki/security/advisories/GHSA-xc7j-3g8q-9vh4"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-52772"},{"type":"FIX","url":"https://github.com/YesWiki/yeswiki/commit/5d1a4d07fecb0706f33e5dfbbe6ff5ef1892b2a7"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-06T03:46:02.029441126Z"}}