CVE-2026-23489: Fields GLPI plugin vulnerable to RCE in dropdown generation

Severity: critical (CVSS 9.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-16 · updated 2026-06-17
Weakness: CWE-20

Description

Fields is a GLPI plugin that allows users to add custom fields on GLPI items forms. Prior to version 1.23.3, it is possible to execute arbitrary PHP code from users that are allowed to create dropdowns. This issue has been patched in version 1.23.3.

Affected products

pluginsGLPI fields: before 1.23.3 — fixed in 1.23.3

How to fix

Upgrade to a fixed version: pluginsGLPI fields 1.23.3. Check the vendor advisory for mitigations.

References

https://github.com/pluginsGLPI/fields/releases/tag/1.23.3
https://github.com/pluginsGLPI/fields/security/advisories/GHSA-rj7q-mmx9-fhq7

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