CVE-2025-64049 REDAXO CMS is vulnerable to XSS through its module management component
Remote attackers can inject malicious scripts via module output code, leading to script execution when users view or edit articles in REDAXO CMS.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2025-64049?
CVE-2025-64049 is a medium-severity cross-site scripting vulnerability in n/a, published on 25 Nov 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2025-64049?
2 open source packages ship an affected version, including redaxo/source. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
redaxo/source Packagist | All versions | 5.20.1 |
redaxo/source Packagist | All versions | 5.20.1 |
Products include Redaxo Redaxo.
How do I fix CVE-2025-64049?
Upgrade redaxo/source to 5.20.1 or later.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2025-64049 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-64049 exists.
Other vulnerabilities in n/a
- CVE-2018-18200 SQL injection in n/a
- CVE-2018-17831 SQL injection in n/a
- CVE-2026-21857 Redaxo has Path Traversal in Backup Addon Leading to Arbitrary File Read
- CVE-2006-2843 Code injection in n/a
- CVE-2006-2844 Multiple PHP remote file inclusion vulnerabilities in Redaxo 3.0 allow remote attackers to execute arbitrary PHP code via a URL in the REX[I
Sources
Also known as GHSA-vqc7-7fj4-3fm3.