CVE-2025-54543

MEDIUM EPSS 8.0%
Published Aug 28, 202510mo ago · Modified Jun 17, 20261w ago
5.3 CVSS 4.0
Medium
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Published Aug 28, 2025 10mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
5.3
Exploitability
—
Impact
—
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction P
Scope X

Threat Intelligence

EPSS Exploit Probability
8.0% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 1

VendorProductVersionRange
opensolutionquick.cms6.8any

References 2

  • cert.pl https://cert.pl/posts/2025/08/CVE-2025-54540
    Third Party Advisory
  • opensolution.org https://opensolution.org
    Product

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.