Medium 5.4Published Apr 27, 2026

CVE-2026-41467ProjeQtor < 12.4.4 Stored XSS via checkValidFileName()

Updated under an hour ago (Oct 27, 2026, 9:00 PM ET)

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Every CVE for ProjeQtor

Exploited in the last 30 days

ProjeQtor versions 7.0 through 12.4.3 contain a stored cross-site scripting vulnerability in the file upload functionality where the checkValidFileName() function fails to restrict HTML and HTM file uploads. Authenticated attackers can upload HTML files containing arbitrary JavaScript through the image upload or attachment endpoints, and any user accessing the uploaded file URL will execute the embedded JavaScript in their browser.

CVSS: 5.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/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: Jul 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

ProjeQtor ProjeQtor projeqtor:projeqtor (from the name)	from 7.0 through 12.4.3; 12.4.4 not affected	CNA record

References

References

https://damiri.fr/en/cves/CVE-2026-41467	technical-description, exploit
https://gryfman.fr/cves/CVE-2026-41467	technical-description, exploit
https://www.projeqtor.com	product
https://www.vulncheck.com/advisories/projeqtor-stored-xss-via-checkvalidfilename	third-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.