CVE-2025-54543
Stored XSS in QuickCMS
- State
- Published
- Severity
- 5.3 Medium
- Published
- Aug 28, 2025
- Updated
- Aug 28, 2025
- Reserved
- Jul 24, 2025
Description
QuickCMS is vulnerable to Stored XSS via sDescriptionMeta parameter in page editor SEO functionality. Malicious attacker with admin privileges can inject arbitrary HTML and JS into website, which will be rendered/executed when visiting edited page. By default admin user is not able to add JavaScript into the website.
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N | CERT-PL |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
QuickCMSOpenSolution |
|
References
- https://cert.pl/posts/2025/08/CVE-2025-54540third-party-advisory
- https://opensolution.org/product
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