What is the CVSS score of CVE-2025-27412?

CVE-2025-27412 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.2%.

Which versions of Redaxo are affected by CVE-2025-27412?

Organizations using Redaxo from 5.0.0 should be aware of moderate risk from CVE-2025-27412, a cross-site scripting vulnerability rated CVSS 6.1.. A patch is available.

Is there a public PoC exploit available for CVE-2025-27412?

Yes, a public proof-of-concept exploit is available for CVE-2025-27412. Prioritise patching immediately. EPSS: 0.2%.

How to fix or mitigate CVE-2025-27412?

Within 30 days: Identify affected systems running Redaxo from 5.0.0 and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Redaxo CVE-2025-27412

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2025-03-05 security-advisories@github.com

XSS Redaxo

6.1

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

6.1 MEDIUM

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

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

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 - 18:29 vuln.today

PoC Detected

Jul 01, 2025 - 20:38 vuln.today

Public exploit code

CVE Published

Mar 05, 2025 - 16:15 nvd

MEDIUM 6.1

DescriptionGitHub Advisory

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.

AnalysisAI

REDAXO is a PHP-based CMS. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

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. 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. Affected products include: Redaxo. Version information: through 5.18.2.

RemediationAI

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.

CVE-2025-27412 vulnerability details – vuln.today

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