Description

Joomla! Core is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to bypass intended access restrictions and perform otherwise restricted actions. Joomla! Core versions 3.x.x ranging from 3.0.0 and up to and including 3.9.23 are vulnerable.

Remediation

Update to Joomla! Core version 3.9.24 or latest

References

https://developer.joomla.org/security-centre/836-20210101-core-com-modules-exposes-module-names.html

Related Vulnerabilities

WordPress Plugin Special Text Boxes Arbitrary File Upload (5.1.90)

OpenSSL Use of a Broken or Risky Cryptographic Algorithm Vulnerability (CVE-2018-0734)

Internet Information Services Improper Control of Generation of Code ('Code Injection') Vulnerability (CVE-2010-1256)

Moodle Improper Input Validation Vulnerability (CVE-2022-35650)

WordPress Plugin MapSVG Lite Arbitrary File Upload (4.0.5)

Severity

High

Classification

CVE-2021-23123 CWE-264 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Tags

Missing Update Authentication Bypass