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EUVD-2026-213997

2026-10-07T08:19:03.142967+00:00

EUVD-2026-213997

fkie_cve-2023-29511

2026-10-07T08:19:03.143010+00:00

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any user with edit rights on a page (e.g., it's own user page), can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation. The root cause is improper escaping of the section ids in `XWiki.AdminFieldsDisplaySheet`. This page is installed by default. The vulnerability has been patched in XWiki versions 15.0-rc-1, 14.10.1, 14.4.8, and 13.10.11.

GHSA-rfh6-mg6h-h668 — xwiki-platform-administration-ui vulnerable to privilege escalation

2026-10-07T08:19:03.143048+00:00

Affected: Maven: org.xwiki.platform:xwiki-platform-administration-ui

### Impact Any user with edit rights on a page (e.g., it's own user page), can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation. The root cause is improper escaping of the section ids in `XWiki.AdminFieldsDisplaySheet`. This page is installed by default.

Reproduction steps are described in https://jira.xwiki.org/browse/XWIKI-20261

### Patches The vulnerability has been patched in XWiki 15.0-rc-1, 14.10.1, 14.4.8, and 13.10.11.

### Workarounds The issue can be fixed by applying this [patch](https://github.com/xwiki/xwiki-platform/commit/f1e310826a19acdcdecdecdcfe171d21f24d6ede) on `XWiki.AdminFieldsDisplaySheet`.

### For more information If you have any questions or comments about this advisory:

* Open an issue in [Jira XWiki.org](https://jira.xwiki.org/) * Email us at [Security Mailing List](mailto:security@xwiki.org)

gsd-2023-29511

2026-10-07T08:19:03.143085+00:00

gsd-2023-29511