What is CVE-2026-41467?

CVE-2026-41467 is a medium-severity vulnerability in Projeqtor, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-04-27.

How severe is CVE-2026-41467?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Projeqtor

CVE-2026-41467

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 upl…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (10.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Projeqtor — versions 7.0, 12.4.4

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

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

Frequently asked questions

What is CVE-2026-41467?: CVE-2026-41467 is a medium-severity vulnerability in Projeqtor, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-04-27.
How severe is CVE-2026-41467?: Medium severity. CVSS v3 base score is 5.4 out of 10.