REDAXO CMS is vulnerable to XSS through its module management component
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 software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | redaxo/source | < 5.20.1 | 5.20.1 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2025-64049
- https://github.com/redaxo/redaxo/commit/58929062312cf03e344ab04067a365e6b6ee66aa
- https://drive.google.com/drive/folders/1SpwL548ZBRYU_uL8W7Riv7VHshr2UN0R?usp=sharing
- https://github.com/redaxo/redaxo
- https://github.com/vettrivel007/CVE-Disclosures/blob/main/CVE-2025-64049.md
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N- Weakness (CWE)
CWE-79- Platform
- Composer
- Package
redaxo/source- Disclosed
- 25.11.2025
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-vqc7-7fj4-3fm3 - CC BY 4.0
Vulnerability history: redaxo/source
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 18
- First → latest
- 02.2024 09.2026
- Without a fix
- 3
- Exploited in attacks
- 0
Severity breakdown
- High 4
- Medium 11
- Low 3
Disclosures per year
- 2024: 3
- 2025: 7
- 2026: 8
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REDAXO CMS is vulnerable to XSS through its module management component this entry
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