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CVE-2025-66474

8.8 · HIGH

XWiki Rendering is a generic rendering system that converts textual input in a given syntax (wiki syntax, HTML, etc) into another syntax (XHTML, etc).

Published Dec 10, 2025CWE-95EPSS 1.02%

Overview

CVE-2025-66474 is a high-severity vulnerability. It was published on December 10, 2025 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

XWiki Rendering is a generic rendering system that converts textual input in a given syntax (wiki syntax, HTML, etc) into another syntax (XHTML, etc). Versions 16.10.9 and below, 17.0.0-rc-1 through 17.4.2 and 17.5.0-rc-1 through 17.5.0 have insufficient protection against {{/html}} injection, which attackers can exploit through RCE. Any user who can edit their own profile or any other document can execute arbitrary script macros, including Groovy and Python macros, which enable remote code execution as well as unrestricted read and write access to all wiki contents. This issue is fixed in versions 16.10.10, 17.4.3 and 17.6.0-rc-1.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

GitHubgithub.com/xwiki/xwiki-platform/commit/12b780ccd5bca5fc8f74f46648d7e02fa04fbc11GitHubgithub.com/xwiki/xwiki-rendering/commit/9b71a2ee035815cfc29cebbfe81dbdd98f941d49GitHubgithub.com/xwiki/xwiki-rendering/security/advisories/GHSA-9xc6-c2rm-f27pRefjira.xwiki.org/browse/XRENDERING-693Refjira.xwiki.org/browse/XRENDERING-792Refjira.xwiki.org/browse/XRENDERING-793Refjira.xwiki.org/browse/XWIKI-23378Refjira.xwiki.org/browse/XRENDERING-693Refjira.xwiki.org/browse/XRENDERING-792Refjira.xwiki.org/browse/XRENDERING-793

How CyberStrike helps

Frequently asked questions

What is CVE-2025-66474?

CVE-2025-66474 is a high-severity vulnerability. It was published on December 10, 2025 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-66474?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-66474?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2025-66474?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-66474 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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