What is the CVSS score of CVE-2025-59950?

CVE-2025-59950 has a CVSS 3.1 base score of 6.7 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:L. EPSS exploitation probability: 0.0%.

Which versions of Freshrss are affected by CVE-2025-59950?

Organizations using FreshRSS should be aware of notable risk from CVE-2025-59950 rated CVSS 6.7. Exploitation could compromise the security of affected deployments.. A patch is available.

Is there a public PoC exploit available for CVE-2025-59950?

Yes, a public proof-of-concept exploit is available for CVE-2025-59950. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2025-59950?

Within 7 days: Identify affected systems and apply vendor patches promptly. Vendor patch is available.

Freshrss CVE-2025-59950

MEDIUM

Improper Restriction of Rendered UI Layers or Frames (CWE-1021)

2025-09-30 security-advisories@github.com

XSS Freshrss

6.7

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

6.7 MEDIUM

AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:L

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:15 vuln.today

Patch released

Mar 28, 2026 - 19:15 nvd

Patch available

PoC Detected

Oct 03, 2025 - 15:52 vuln.today

Public exploit code

CVE Published

Sep 30, 2025 - 04:43 nvd

MEDIUM 6.7

DescriptionGitHub Advisory

FreshRSS is a free, self-hostable RSS aggregator. In versions 1.26.3 and below, due to a bypass of double clickjacking protection (confirmation dialog), it is possible to trick the admin into clicking the Promote button in another user's management page after the admin double clicks on a button inside an attacker-controlled website. A successful attack can allow the attacker to promote themselves to "admin" and log into other users' accounts; the attacker has to know the specific instance URL they're targeting. This issue is fixed in version 1.27.0.

AnalysisAI

FreshRSS is a free, self-hostable RSS aggregator. Rated medium severity (CVSS 6.7), this vulnerability is remotely exploitable. Public exploit code available.

Technical ContextAI

This vulnerability is classified under CWE-1021. FreshRSS is a free, self-hostable RSS aggregator. In versions 1.26.3 and below, due to a bypass of double clickjacking protection (confirmation dialog), it is possible to trick the admin into clicking the Promote button in another user's management page after the admin double clicks on a button inside an attacker-controlled website. A successful attack can allow the attacker to promote themselves to "admin" and log into other users' accounts; the attacker has to know the specific instance URL they're targeting. This issue is fixed in version 1.27.0. Affected products include: Freshrss. Version information: version 1.27.0..

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.