ProjeQtor < 12.4.4 Stored XSS via checkValidFileName()
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- None · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA ProjeQtor (ProjeQtor) Fixed in 12.4.4
Timeline
- 2026-10-02 Threatist record created from CVE-2026-41467
- 2026-10-03 Alias added: GHSA-g3mv-hfmp-474q
References
More ProjeQtor vulnerabilities
- TI-2026-30051 ProjeQtor < 12.4.4 Unauthenticated SQL Injection via Login CVSS 4.0CRITICAL 9.3
- TI-2021-22435 ProjeQtOr Project Management 9.1.4 - Remote Code Execution CVSS 4.0CRITICAL 9.3
- TI-2024-19441 projeqtor up to 11.2.0 was discovered to contain a remote code execution (RCE)… CVSS 3.1HIGH 8.8
- TI-2026-30054 ProjeQtor < 12.4.4 Path Traversal via dynamicDialog.php CVSS 4.0HIGH 7.1
- TI-2023-26722 Cross Site Scripting (XSS) vulnerability in ProjeQtOr 11.0.2 allows a remote attacker to… CVSS 3.1MEDIUM 6.1
- TI-2024-19440 projeqtor up to 11.2.0 was discovered to contain a SQL injection vulnerability via the… CVSS 3.1MEDIUM 5.4
Sources
- CVE-2026-41467 · CVE Program
- CVE-2026-41467 · NVD
- FIRST EPSS
- GHSA-g3mv-hfmp-474q · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences