PT-2021-15378 · Joomla · Joomla!

Phil Taylor · Published 2021-01-12 · Updated 2025-04-03 · CVE-2021-23123

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Joomla! versions 3.0.0 through 3.9.23

Description The issue is related to the lack of ACL checks in the "orderPosition endpoint" of com modules, which can leak names of unpublished and/or inaccessible modules.

Recommendations For Joomla! versions 3.0.0 through 3.9.23, consider restricting access to the orderPosition endpoint of com modules to minimize the risk of exploitation. As a temporary workaround, restrict the use of the com modules component until a patch is available.

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

BIT-JOOMLA-2021-23123

CVE-2021-23123

Affected Products

Joomla!

References · 5

• https://developer.joomla.org/security-centre/836-20210101-core-com-modules-exposes-module-names.html · Vendor Advisory
• https://osv.dev/vulnerability/BIT-joomla-2021-23123 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-23123 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-23123 · Security Note
• https://t.me/cvenotify/8698 · Telegram Post