What’s Vulnerable › Vulnerabilities

CVE-2024-43400: XWiki Platform allows XSS through XClass name in string properties

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-08-19 · updated 2026-06-17
• Weakness: CWE-96

Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. It is possible for a user without Script or Programming rights to craft a URL pointing to a page with arbitrary JavaScript. This requires social engineer to trick a user to follow the URL. This has been patched in XWiki 14.10.21, 15.5.5, 15.10.6 and 16.0.0.

Affected products

• xwiki-platform: before 14.10.21; from 15.0 before 15.5.5; from 15.6 before 15.10.6 — fixed in 14.10.21, 15.10.6, 15.5.5

How to fix

Upgrade to a fixed version: xwiki-platform 14.10.21, 15.10.6, 15.5.5. Check the vendor advisory for mitigations.

References

• https://github.com/xwiki/xwiki-platform/commit/27eca8423fc1ad177518077a733076821268509c
• https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-wcg9-pgqv-xm5v
• https://jira.xwiki.org/browse/XWIKI-21810

Get alerted when CVE-2024-43400 or the next vulnerability affects your stack