{"id":"CVE-2026-116824","title":"YesWiki before 4.7.0 Stored XSS via Referer Header in referrers_sites Handler","summary":"YesWiki before 4.7.0 contains a stored cross-site scripting vulnerability in handlers/page/referrers_sites.php that allows unauthenticated attackers to inject scripts via crafted Referer headers. Attackers can send a Referer hostname con…","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","cvssSource":"cna","cwe":["CWE-79"],"vendor":"YesWiki","product":"yeswiki","affected":["yeswiki < 4.7.0"],"published":"2026-10-26","updated":"2026-10-26","sourceUpdated":"2026-10-26T23:05:49.898Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116824","references":[{"url":"https://github.com/YesWiki/yeswiki/security/advisories/GHSA-xcwg-2pj5-3qm4","label":"GitHub Security Advisory (GHSA-xcwg-2pj5-3qm4)"},{"url":"https://www.vulncheck.com/advisories/yeswiki-before-4.7.0-stored-xss-via-referer-header-in-referrers-sites-handler","label":"VulnCheck Advisory: YesWiki before 4.7.0 Stored XSS via Referer Header in referrers_sites Handler"}],"tags":["cve.org"],"epss":0.00179,"epssPercentile":0.07394,"ingestedAt":"2026-10-27T16:11:59.149Z","slug":"CVE-2026-116824","body":"## Overview\n\nYesWiki before 4.7.0 contains a stored cross-site scripting vulnerability in handlers/page/referrers_sites.php that allows unauthenticated attackers to inject scripts via crafted Referer headers. Attackers can send a Referer hostname containing HTML metacharacters that renders unescaped, executing JavaScript for any referrer-sites page visitor to perform same-origin authenticated actions.\n\n## Affected\n\n- `yeswiki < 4.7.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":34,"depthScoreParts":{"impact":33.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}