CVE-2025-54543
CWE-79Published: August 28, 2025· Updated: Jun 17, 2026
Official 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.
Technical Analysis
CVE-2025-54543 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.
From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-79)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2025-54543 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts