CVE-2025-32015

| EUVD-2025-16932 MEDIUM
2025-06-04 [email protected]
6.7
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:L
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
Low

Lifecycle Timeline

5
Analysis Generated
Mar 14, 2026 - 17:29 vuln.today
EUVD ID Assigned
Mar 14, 2026 - 17:29 euvd
EUVD-2025-16932
Patch Released
Mar 14, 2026 - 17:29 nvd
Patch available
PoC Detected
Aug 12, 2025 - 15:31 vuln.today
Public exploit code
CVE Published
Jun 04, 2025 - 20:15 nvd
MEDIUM 6.7

Tags

RCE XSS Debian Freshrss

Description

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.

Analysis

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.

Technical Context

Cross-site scripting (XSS) allows injection of client-side scripts into web pages viewed by other users due to insufficient output encoding.

Affected Products

Affected products: Freshrss Freshrss

Remediation

A vendor patch is available — apply it immediately. Encode all user-supplied output contextually (HTML, JS, URL). Implement Content Security Policy (CSP) headers. Use HTTPOnly and Secure cookie flags.

Priority Score

54
Low Medium High Critical
KEV: 0
EPSS: +0.2
CVSS: +34
POC: +20

Vendor Status

Debian

Bug #1032767
freshrss
Release Status Fixed Version Urgency
open - -

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CVE-2025-32015 vulnerability details – vuln.today
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