Privilege Escalation in FreshRSS by an Unprivileged User
CVE-2025-54875

9.8CRITICAL

Key Information:

Vendor

Freshrss

Status
Freshrss
Vendor
CVE Published:
29 September 2025

What is CVE-2025-54875?

FreshRSS, a widely-used self-hosted RSS aggregator, has a security flaw that allows unprivileged attackers to create new admin users if registration is enabled. This vulnerability arises from improper handling of a hidden form field used within the user management admin page, allowing unauthorized access to administrative features. The issue was resolved in version 1.27.0. Users are strongly advised to update their installations to safeguard against potential exploits.

Affected Version(s)

FreshRSS >= 1.16.0, < 1.27.0

References

https://github.com/FreshRSS/FreshRSS/security/advisories/...
x_refsource_CONFIRM
https://github.com/FreshRSS/FreshRSS/pull/7783
x_refsource_MISC
https://github.com/FreshRSS/FreshRSS/releases/tag/1.27.0
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2025-54875 : Privilege Escalation in FreshRSS by an Unprivileged User