CVE-2026-41467

MEDIUM EPSS 7.8%
Published Apr 27, 20262mo ago · Modified Jun 17, 20261w ago
5.1 CVSS 4.0
Medium
Find Similar
Published Apr 27, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

Description

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 Details

Base Score
5.1
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction P
Scope X

Threat Intelligence

EPSS Exploit Probability
7.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

References 4

  • damiri.fr https://damiri.fr/en/cves/CVE-2026-41467
  • gryfman.fr https://gryfman.fr/cves/CVE-2026-41467
  • projeqtor.com https://www.projeqtor.com
  • vulncheck.com https://www.vulncheck.com/advisories/projeqtor-stored-xss-via-checkvalidfilename

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.