CVE-2025-54540 Reflected XSS in QuickCMS
Reflected XSS in QuickCMS admin panel allows attackers to execute arbitrary JavaScript in victims' browsers via a crafted URL.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-54540?
CVE-2025-54540 is a medium-severity cross-site scripting vulnerability in OpenSolution QuickCMS, published on 28 Aug 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
QuickCMS is vulnerable to Reflected XSS via sSort 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.
Weakness: CWE-79
Which versions are affected by CVE-2025-54540?
It affects 1 product.
Products include Opensolution Quick.cms.
How do I fix CVE-2025-54540?
No fix has been published for CVE-2025-54540 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2025-54540 being exploited?
There is no known exploitation of CVE-2025-54540 in the wild and no public exploit code.
Other vulnerabilities in OpenSolution QuickCMS
Sources
Also known as GHSA-h6m8-w6h5-f84w.