Medium 6.1Published Oct 3, 2026

CVE-2026-105124W (wcms) through 3.18.0 Unauthenticated Stored XSS via Login Username and Comments

Updated under an hour ago (2026-10-19 07:30 UTC)

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Every CVE for vincent-peugnet wcms

Exploited in the last 30 days

W (vincent-peugnet/wcms) through 3.18.0 contains a stored cross-site scripting vulnerability that allows unauthenticated attackers to inject scripts via the login user field and visitor comment website field. Attackers can submit failed logins rendered unescaped in the adminlog.php log viewer, or comment URLs echoed into href attributes in editrightbar.php, executing script with administrator or editor privileges.

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: Oct 6, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

vincent-peugnet wcms vincent_peugnet:wcms (from the name)	through 3.18.0	CNA record

References

https://github.com/vincent-peugnet/wcms/issues/662issue-tracking
https://github.com/vincent-peugnet/wcmsproduct
https://github.com/vincent-peugnet/wcms/blob/cda5bcdb95dbdb1e804fdfe0e5fd2e2b2f8a90e2/app/class/Controllerconnect.php#L56technical-description
https://github.com/vincent-peugnet/wcms/blob/cda5bcdb95dbdb1e804fdfe0e5fd2e2b2f8a90e2/app/view/templates/adminlog.php#L71technical-description
https://github.com/vincent-peugnet/wcms/blob/cda5bcdb95dbdb1e804fdfe0e5fd2e2b2f8a90e2/app/view/templates/editrightbar.php#L110technical-description
https://www.vulncheck.com/advisories/w-wcms-through-3.18.0-unauthenticated-stored-xss-via-login-username-and-commentsthird-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.