Freshrss
CVE-2025-59950
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V3 - Web Frontend Security Clickjacking prevention, X-Frame-Options
|
| Impact | CVSS score of 6.7 (MEDIUM). Attack characteristics: network attack vector, high complexity, low privileges required, user interaction required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 0.03%. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system. |
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Alert meAnalysisAIv1 – Mar 28, 2026
FreshRSS is a free, self-hostable RSS aggregator. Rated medium severity (CVSS 6.7), this vulnerability is remotely exploitable. Public exploit code available.
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.
Affects your stack
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Technical ContextAI · show details
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..
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
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
Lifecycle Timeline
3DescriptionGitHub 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.
Executive ViewAI
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. Proof-of-concept code is publicly available. A patch is available and should be applied during regular vulnerability management.
Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.
Affected Products (CPE)GitHub Advisory
FreshRSS versions prior to 1.26.2 suffer from an information disclosure vulnerability that allows unauthenticated remote
Denial of service in FreshRSS 1.27.0 through versions before 1.28.0 lets a remote, unauthenticated attacker who controls
Path traversal in FreshRSS 1.23.0 through 1.27.0 lets an authenticated low-privilege user expose and invoke the installe
Critical authentication bypass vulnerability in FreshRSS versions prior to 1.26.2 that allows authenticated attackers to
FreshRSS is a self-hosted RSS feed aggregator. Prior to version 1.26.2, HTML is sanitized improperly inside the `<iframe
FreshRSS is a self-hosted RSS feed aggregator. Prior to version 1.26.2, it's possible to run arbitrary JavaScript on the
Forced session termination in FreshRSS versions prior to 1.27.1 allows an attacker-controlled web page to log out an aut
FreshRSS is a self-hosted RSS feed aggregator. Rated medium severity (CVSS 5.5), this vulnerability is low attack comple
A security vulnerability in FreshRSS (CVSS 4.3). Risk factors: public PoC available. Vendor patch is available.
FreshRSS is a self-hosted RSS feed aggregator. A vulnerability in versions prior to 1.26.2 causes a user to be repeatedl
self-hostable RSS aggregator. versions up to 1.28.0 is affected by improper access control (CVSS 7.5).
FreshRSS is a free, self-hostable RSS aggregator. Rated high severity (CVSS 7.5), this vulnerability is remotely exploit
GitHub PoC
Exploit-DB