Medium severity6.1NVD Advisory· Published Feb 12, 2026· Updated Jun 17, 2026
CVE-2026-26000
CVE-2026-26000
Description
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Prior to 17.9.0, 17.4.6, and 16.10.13, it's possible using comments to inject CSS that would transform the full wiki in a link area leading to a malicious page. This vulnerability is fixed in 17.9.0, 17.4.6, and 16.10.13.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.xwiki.platform:xwiki-platform-webMaven | >= 17.5.0, < 17.9.0 | 17.9.0 |
org.xwiki.platform:xwiki-platform-webMaven | >= 17.0.0-rc-1, < 17.4.6 | 17.4.6 |
org.xwiki.platform:xwiki-platform-webMaven | < 16.10.13 | 16.10.13 |
Affected products
3- Range: >= 17.5.0, < 17.9.0
Patches
Vulnerability mechanics
References
9- github.com/xwiki/xwiki-platform/security/advisories/GHSA-74rh-c5rh-88vgnvdPatchVendor AdvisoryWEB
- github.com/advisories/GHSA-74rh-c5rh-88vgghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-26000ghsaADVISORY
- github.com/xwiki/xwiki-platform/commit/29cb81f3a5387cf822d7e7534bdd63903275f86bghsaWEB
- github.com/xwiki/xwiki-platform/commit/7b5a4f8c34d9b1da3d966e17f7dbccabac448e75ghsaWEB
- github.com/xwiki/xwiki-platform/pull/4645ghsaWEB
- github.com/xwiki/xwiki-platform/releases/tag/xwiki-platform-17.4.6nvdProductRelease NotesWEB
- jira.xwiki.org/browse/XWIKI-23433ghsaWEB
- www.xwiki.org/xwiki/bin/view/ReleaseNotes/Data/XWiki/17.9.0RC1/Entry006ghsaWEB
News mentions
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