How to fix CVE-2025-64049?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Is Redaxo affected by CVE-2025-64049?

CVE-2025-64049 presents moderate security risk, a cross-site scripting vulnerability rated CVSS 4.8. Attackers could inject scripts to steal sessions or perform actions as authenticated users. Proof-of-concept code is publicly available.

CVE-2025-64049

MEDIUM

2025-11-25 [email protected]

4.8

CVSS 3.1

CVSS Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Patch Released

Mar 31, 2026 - 21:13 nvd

Patch available

Analysis Generated

Mar 28, 2026 - 19:23 vuln.today

PoC Detected

Dec 03, 2025 - 17:06 vuln.today

Public exploit code

CVE Published

Nov 25, 2025 - 16:16 nvd

MEDIUM 4.8

Description

A stored cross-site scripting (XSS) vulnerability in the module management component in REDAXO CMS 5.20.0 allows remote users to inject arbitrary web script or HTML via the Output code field in modules. The payload is executed when a user views or edits an article by adding slice that uses the compromised module.

Analysis

A stored cross-site scripting (XSS) vulnerability in the module management component in REDAXO CMS 5.20.0 allows remote users to inject arbitrary web script or HTML via the Output code field in. Rated medium severity (CVSS 4.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical Context

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. A stored cross-site scripting (XSS) vulnerability in the module management component in REDAXO CMS 5.20.0 allows remote users to inject arbitrary web script or HTML via the Output code field in modules. The payload is executed when a user views or edits an article by adding slice that uses the compromised module. Affected products include: Redaxo.

Affected Products

Redaxo.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.1

CVSS: +24

POC: +20

CVE-2025-64049 vulnerability details – vuln.today

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CVE-2025-64049

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CVE-2025-64049

CVSS Vector

Lifecycle Timeline

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Description

Analysis

Technical Context

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External POC / Exploit Code