CVE-2020-11891

MEDIUM

Joomla! <3.9.17 - Privilege Escalation

Title source: llm

Description

An issue was discovered in Joomla! before 3.9.17. Incorrect ACL checks in the access level section of com_users allow the unauthorized editing of usergroups.

References (1)

Core 1

Core References

Vendor Advisory x_refsource_misc

https://developer.joomla.org/security-centre/809-20200401-core-incorrect-access-control-in-com-users-access-level-editing-function.html

Scores

CVSS v3 5.3

EPSS 0.0001

EPSS Percentile 0.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Details

Status published

Products (1)

joomla/joomla\! 3.8.8 - 3.9.17

Published Apr 21, 2020

Tracked Since Feb 18, 2026