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CVE-2026-63001

4.8 · MEDIUM

REDAXO is a PHP-based content management system.

Published Sep 23, 2026redaxoCWE-79EPSS 0.20%

Overview

CVE-2026-63001 is a medium-severity vulnerability affecting redaxo redaxo. It was published on September 23, 2026 and has a CVSS 3.1 base score of 4.8 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.8, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

REDAXO is a PHP-based content management system. Prior to 5.21.2, the mediaIsInUse() handler in redaxo/src/addons/media_manager/lib/media_manager.php inserts a Media Manager type name into raw backend warning HTML without escaping it when invoked through MEDIA_IS_IN_USE. An administrator with Media Manager access can store HTML in a type name, and the payload executes in another administrator's browser when that administrator tries to delete media referenced by the type's effects, enabling session theft or unauthorized backend actions. This issue is fixed in version 5.21.2.

Remediation

Check the references section for vendor advisories and patches from redaxo. Update redaxo to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
redaxoredaxo>= 0, < 5.21.2Affected

References

GitHubgithub.com/redaxo/core/commit/2daaa3a30570bc76a82f63fd21fb8c9c2cd5dc7cGitHubgithub.com/redaxo/core/pull/6581GitHubgithub.com/redaxo/core/releases/tag/5.21.2GitHubgithub.com/redaxo/core/security/advisories/GHSA-mf2p-wjp4-99pq

How CyberStrike helps

Frequently asked questions

What is CVE-2026-63001?

CVE-2026-63001 is a medium-severity vulnerability affecting redaxo redaxo. It was published on September 23, 2026 and has a CVSS 3.1 base score of 4.8 (MEDIUM).

How severe is CVE-2026-63001?

This vulnerability has a CVSS 3.1 base score of 4.8, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-63001?

Check the references section for vendor advisories and patches from redaxo. Update redaxo to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-63001?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-63001 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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