[ CVE-2026-100521 · Published 26 Sep 2026 ]
Vulnerability in Cotonti
CVSS 6.1
EPSS <1%No fix listed yet
[ Description ]Official description
Cotonti through 1.0.0 contains a reflected cross-site scripting vulnerability in the search plugin highlight parameter that performs no HTML or JavaScript escaping. Attackers can craft malicious links with injected JavaScript in the highlight parameter that executes in the browser of any visitor who opens the link, including administrators.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ References ]References
- github.com/Cotonti/Cotonti
- github.com/Cotonti/Cotonti/blob/1.0.0/plugins/search/search.header.php
- github.com/Cotonti/Cotonti/blob/1.0.0/plugins/search/search.page.first.php
- github.com/Cotonti/Cotonti/issues/1907
- github.com/Cotonti/Cotonti/pull/1908
- www.vulncheck.com/advisories/cotonti-through-1.0.0-reflected-xss-via-search-highlight-p…