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TI-2025-23139 Aliases CVE-2025-32015

FreshRSS vulnerable to Cross-site Scripting by embedding <script> tag inside <iframe srcdoc>

Priority MEDIUM 63CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
High
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · Low
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

FreshRSS is a self-hosted RSS feed aggregator. Prior to version 1.26.2, HTML is sanitized improperly inside the `<iframe srcdoc>` attribute, which leads to cross-site scripting (XSS) by loading an attacker's UserJS inside `<script src>`. In order to execute the attack, the attacker needs to control one of the victim's feeds and have an account on the FreshRSS instance that the victim is using. An attacker can gain access to the victim's account by exploiting this vulnerability. If the victim is an admin it would be possible to delete all users (cause damage) or execute arbitrary code on the server by modifying the update URL using fetch() via the XSS. Version 1.26.2 contains a patch for the issue.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00494 42nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed FreshRSS (FreshRSS): 1.26.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
FreshRSSFreshRSSbefore 1.26.21.26.2Patch availableCNA
  • FreshRSS VendorFreshRSS Affected before 1.26.2 Fixed in 1.26.2 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:freshrss:freshrss:*:*:*:*:*:*:*:*before 1.26.2VulnerableFreshRSS
  • cpe:2.3:a:freshrss:freshrss:*:*:*:*:*:*:*:* Versions before 1.26.2 Vulnerable ·FreshRSS

Remediation

  • Fix · CNA FreshRSS (FreshRSS) Fixed in 1.26.2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-32015

References

Exploit 1

Patch 1

  • TI-2025-34609 FreshRSS: Unauthorized creation of admin user when registration is enabled CVSS 3.1CRITICAL 9.8
  • TI-2025-34363 FreshRSS has Incomplete Session Termination on Logout CVSS 4.0HIGH 8.8
  • TI-2025-38485 FreshRSS has an IDOR which allows for viewing feeds of any user and leaking tokens CVSS 3.1HIGH 7.5
  • TI-2025-34362 FreshRSS: Unauthenticated users can view default user's information CVSS 3.1HIGH 7.5
  • TI-2025-38032 FreshRSS is vulnerable to directory enumeration by setting path in its theme field CVSS 4.0MEDIUM 6.9
  • TI-2025-37337 FreshRSS has Logout CSRF that Leads to DoS via <track src> CVSS 3.1MEDIUM 6.5
See all 21 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences