org.xwiki.rendering:xwiki-rendering-xml has an Eval Injection issue
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-95.
Summary
XWiki Rendering is a generic rendering system that converts textual input in a given syntax (wiki syntax, HTML, etc) into another syntax (XHTML, etc). Prior to versions 14.10.2 and 15.0 RC1, any user who can edit their own user profile or any other document can execute arbitrary script macros including Groovy and Python macros that allow remote code execution including unrestricted read and write access to all wiki contents. The reason is that rendering output is included as content of HTML macros without further escaping and it is thus possible to close the HTML macro and inject script macros that are executed with programming rights. This has been patched in XWiki 14.10.2 and 15.0 RC1 by making sure that rendering output cannot close the surrounding HTML macro. A possible workaround is available. It is, in principle, possible to add escaping to all places where rendering output is used in wiki documents, but at the moment there is no list of them.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| XWiki | xwiki-rendering | before 14.10.2 | 14.10.2 | Patch available | CNA |
| — | org.xwiki.rendering:xwiki-rendering-xml (Maven) | before 14.10.2 | 14.10.2 | Patch available | GHSA-26vp-8gxg-v4pg |
- xwiki-rendering VendorXWiki Affected before 14.10.2 Fixed in 14.10.2 Patch available CNA
- org.xwiki.rendering:xwiki-rendering-xml (Maven) Vendor— Affected before 14.10.2 Fixed in 14.10.2 Patch available GHSA-26vp-8gxg-v4pg
Remediation
- Fix · CNA xwiki-rendering (xwiki) Fixed in 14.10.2
- Fix · GHSA-26vp-8gxg-v4pg org.xwiki.rendering:xwiki-rendering-xml (Maven) Fixed in 14.10.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2025-53837
- 2026-10-03 Alias added: GHSA-26vp-8gxg-v4pg
- 2026-10-21 EPSS moved to the 50th–90th percentile
References
Other 8
- https://github.com/xwiki/xwiki-rendering/security/advisories/GHSA-26vp-8gxg-v4pg
- https://github.com/xwiki/xwiki-rendering/commit/92bc8095ed3acce15ab200c8525e1623b4898be5
- https://github.com/xwiki/xwiki-rendering/releases/tag/xwiki-rendering-14.10.2
- https://github.com/xwiki/xwiki-rendering/releases/tag/xwiki-rendering-15.0-rc-1
- https://jira.xwiki.org/browse/XRENDERING-693
- https://jira.xwiki.org/browse/XWIKI-20313
- https://jira.xwiki.org/browse/XWIKI-20327
- https://github.com/xwiki/xwiki-rendering
More XWiki vulnerabilities
- TI-2025-18595 Remote code execution as guest via SolrSearchMacros request in xwiki KEVCVSS 3.1CRITICAL 9.8
- TI-2023-25214 Remote code execution through the section parameter in Administration as guest in XWiki Platform CVSS 3.1CRITICAL 10.0
- TI-2025-23500 XWiki Platform vulnerable to SQL injection through getdeleteddocuments.vm template sort parameter CVSS 4.0CRITICAL 9.3
- TI-2025-23979 org.xwiki.platform:xwiki-platform-rest-server allows SQL injection in query endpoint of REST API CVSS 4.0CRITICAL 9.3
- TI-2024-20829 XWiki Platform: Remote code execution from account via SearchSuggestSourceSheet CVSS 3.1CRITICAL 10.0
- TI-2024-14375 XWiki Remote Code Execution vulnerability via user registration CVSS 3.1CRITICAL 10.0
Sources
- CVE-2025-53837 · CVE Program
- CVE-2025-53837 · NVD
- FIRST EPSS
- GHSA-26vp-8gxg-v4pg · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences