CVE-2021-23123 - CVE House
Back to Database
Status published Medium CVE-2021-23123

[20210101] - Core - com_modules exposes module names

Vulnerability Description

An issue was discovered in Joomla! 3.0.0 through 3.9.23. The lack of ACL checks in the orderPosition endpoint of com_modules leak names of unpublished and/or inaccessible modules.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-23123

Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Joomla! Project

View all reports →

Affected Software

Joomla! CMS
Vulnerable Versions:
3.0.0-3.9.23

Timeline

Official Publish: January 12th, 2021
Last Modified: February 25th, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.