XSS in Opensolution Quick.cms.ext
CVE-2025-54175
QuickCMS.EXT is vulnerable to Reflected XSS in sFileName parameter in thumbnail viewer functionality. An attacker can craft a malicious URL that results in arbitrary JavaScript execution in the victim's browser when opened. 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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (12.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Opensolution Quick.cms.ext — versions 6.8
Weakness classification (CWE)
References
- cert.pl/posts/2025/08/CVE-2025-54172 (Third Party Advisory, third-party-advisory)
- opensolution.org/professional-cms-system-quick-cms-ext.html (Product, product)
Frequently asked questions
- What is CVE-2025-54175?
- CVE-2025-54175 is a medium-severity vulnerability in Opensolution Quick.cms.ext, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-08-20.
- How severe is CVE-2025-54175?
- Medium severity. CVSS v3 base score is 6.1 out of 10.