What’s Vulnerable › Vulnerabilities

CVE-2023-37914: Privilege escalation (PR)/RCE from account through Invitation subject/message

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-08-17 · updated 2026-06-17
• Weakness: CWE-94

Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any user who can view `Invitation.WebHome` 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. This vulnerability has been patched on XWiki 14.4.8, 15.2-rc-1, and 14.10.6. Users are advised to upgrade. Users unable to upgrade may manually apply the patch on `Invitation.InvitationCommon` and `Invitation.InvitationConfig`, but there are otherwise no known workarounds for this vulnerability.

Affected products

• xwiki-platform: from 2.5 before 14.4.8; from 14.5.0 before 14.10.6; from 15.0 before 15.2 — fixed in 14.10.6, 14.4.8, 15.2

How to fix

Upgrade to a fixed version: xwiki-platform 14.10.6, 14.4.8, 15.2. Check the vendor advisory for mitigations.

References

• https://github.com/xwiki/xwiki-platform/commit/ff1d8a1790c6ee534c6a4478360a06efeb2d3591
• https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-7954-6m9q-gpvf
• https://jira.xwiki.org/browse/XWIKI-20421
• https://github.com/xwiki/xwiki-platform/commit/ff1d8a1790c6ee534c6a4478360a06efeb2d3591
• https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-7954-6m9q-gpvf
• https://jira.xwiki.org/browse/XWIKI-20421

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