CVE-2025-27412 REDAXO allows Authenticated Reflected Cross Site Scripting - packages installation
Authenticated attackers can execute arbitrary scripts via reflected XSS in the REDAXO CMS AddOns installation page.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2025-27412?
CVE-2025-27412 is a medium-severity cross-site scripting vulnerability in redaxo, published on 5 Mar 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
REDAXO is a PHP-based CMS. In Redaxo from 5.0.0 through 5.18.2, the rex-api-result parameter is vulnerable to Reflected cross-site scripting (XSS) on the page of AddOns. This vulnerability is fixed in 5.18.3.
Weakness: CWE-79
Which versions are affected by CVE-2025-27412?
2 open source packages ship an affected version, including redaxo/source. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
redaxo/source Packagist | From 5.0.0 | 5.18.3 |
redaxo/source Packagist | From 5.0.0 | 5.18.3 |
Products include Redaxo Redaxo.
How do I fix CVE-2025-27412?
Upgrade redaxo/source to 5.18.3 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-2025-27412 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-27412 exists.
Other vulnerabilities in redaxo
- 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-8366-xmgf-334f.