Exposed Credentials via GET Requests in QuickCMS
CVE-2025-54542

6.9MEDIUM

Key Information:

Vendor

Opensolution

Status
Quickcms
Vendor
CVE Published:
28 August 2025

What is CVE-2025-54542?

The QuickCMS product from OpenSolution is susceptible to a serious vulnerability where login credentials are transmitted via GET requests. This design flaw permits a local attacker to leverage access to the victim's browser history, enabling them to retrieve sensitive user information. Although the vendor received notification regarding this issue, they have not provided adequate details about the vulnerability's existence or a comprehensive list of affected versions beyond the confirmed vulnerability in version 6.8. Other untested versions may also be vulnerable, prompting users to exercise caution.

Affected Version(s)

QuickCMS 6.8

References

https://cert.pl/posts/2025/08/CVE-2025-54540
third-party-advisory
https://opensolution.org
product

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Karol Czubernat
.
CVE-2025-54542 : Exposed Credentials via GET Requests in QuickCMS