CVE-2026-100521Cotonti through 1.0.0 Reflected XSS via search highlight parameter
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
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.
- CVSS
- 6.1 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Sep 29, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Cotonti Cotonti cotonti:cotonti (from the name) | through 1.0.0 | CNA record |
References
- https://github.com/Cotonti/Cotonti/issues/1907issue-tracking
- https://github.com/Cotonti/Cotonti/pull/1908issue-tracking, patch
- https://github.com/Cotonti/Cotonti/blob/1.0.0/plugins/search/search.header.phptechnical-description
- https://github.com/Cotonti/Cotonti/blob/1.0.0/plugins/search/search.page.first.phptechnical-description
- https://github.com/Cotonti/Cotontiproduct
- https://www.vulncheck.com/advisories/cotonti-through-1.0.0-reflected-xss-via-search-highlight-parameterthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.