Stored XSS Vulnerability in QuickCMS by OpenSolution
CVE-2025-9981

4.8MEDIUM

Key Information:

Vendor

Opensolution

Status
Quickcms
Vendor
CVE Published:
23 October 2025

What is CVE-2025-9981?

QuickCMS by OpenSolution contains multiple vulnerabilities to Stored Cross-Site Scripting (XSS) within its slider editor function. Malicious attackers with administrative access can exploit this flaw to inject arbitrary HTML and JavaScript code into the website. This injected code can be rendered or executed across all site pages, which poses a significant risk to user security and data integrity. Although the vendor was informed of these vulnerabilities, no response was received regarding affected versions beyond the confirmed version 6.8, leaving other versions potentially at risk.

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
.