CVE-2023-26055: XWiki Commons may allow privilege escalation to programming rights via user's first name

Severity: critical (CVSS 9.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-03-02 · updated 2026-06-17
Weakness: CWE-150

Description

XWiki Commons are technical libraries common to several other top level XWiki projects. Starting in version 3.1-milestone-1, any user can edit their own profile and inject code, which is going to be executed with programming right. The same vulnerability can also be exploited in all other places where short text properties are displayed, e.g., in apps created using Apps Within Minutes that use a short text field. The problem has been patched on versions 13.10.9, 14.4.4, 14.7RC1.

Affected products

xwiki Commons: from 3.2 before 13.10.9; from 14.4 before 14.4.4; from 14.5 before 14.7; 3.1-milestone1, 3.1-milestone2, 3.1.1, 14.4-rc1 — fixed in 13.10.9, 14.4.4, 14.7

How to fix

Upgrade to a fixed version: xwiki Commons 13.10.9, 14.4.4, 14.7. Check the vendor advisory for mitigations.

References

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