Cotonti through 1.0.0 Reflected XSS via search highlight parameter
Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.
cve-program · CVE-2026-100521
PublishedCotonti 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.
Read the publisher's advisoryAffected versions, risk and source history
Related advisories and sources
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CVE-2026-100521 · CVE overview and exploitation status
cve-program · CVE-2026-100521
- https://github.com/Cotonti/Cotonti/issues/1907
- https://github.com/Cotonti/Cotonti/pull/1908
- https://github.com/Cotonti/Cotonti/blob/1.0.0/plugins/search/search.header.php
- https://github.com/Cotonti/Cotonti/blob/1.0.0/plugins/search/search.page.first.php
- https://github.com/Cotonti/Cotonti
- https://www.vulncheck.com/advisories/cotonti-through-1.0.0-reflected-xss-via-search-highlight-parameter
This historical advisory does not include today's related changes. Open the latest advisory to find current connections.