Description
QuickCMS is vulnerable to Reflected XSS via sLangEdit parameter in admin's panel functionality. A malicious attacker can craft a specially crafted URL that, when opened, results in arbitrary JavaScript execution in the victim's browser. The vendor was notified early about this vulnerability, but didn't respond with the details of vulnerability or vulnerable version range. Only version 6.8 was tested and confirmed as vulnerable, other versions were not tested and might also be vulnerable.
Problem types
CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Product status
6.8
Credits
Karol Czubernat
References
cert.pl/posts/2025/08/CVE-2025-54540
opensolution.org
