Stored XSS Vulnerability in QuickCMS by OpenSolution
CVE-2025-9980

4.8MEDIUM

Key Information:

Vendor

Opensolution

Status
Quickcms
Vendor
CVE Published:
23 October 2025

What is CVE-2025-9980?

QuickCMS contains a vulnerability in its page editor that allows a malicious admin to inject arbitrary HTML and JavaScript. When users visit a page that has been modified, the injected code is executed, potentially leading to unauthorized actions. While version 6.8 has been confirmed as vulnerable, other versions have not been thoroughly tested, indicating a risk that additional versions may also be affected.

Affected Version(s)

QuickCMS 6.8

References

https://cert.pl/posts/2025/10/CVE-2025-9980
third-party-advisory
https://opensolution.org/cms-system-quick-cms.html
product

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Bartłomiej "Holl0w" Adamski
.