PT-2021-16926 · Joomla · Joomla!

Phil Taylor · Published 2021-05-26 · Updated 2025-04-03 · CVE-2021-26033

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Joomla! versions 3.0.0 through 3.9.26

Description A missing token check causes a CSRF issue in the "AJAX reordering endpoint".

Recommendations For Joomla! versions 3.0.0 through 3.9.26, update to a version that includes the fix for the missing token check in the AJAX reordering endpoint. As a temporary workaround, consider restricting access to the AJAX reordering endpoint until a patch is available.

Fix

CSRF

Weakness Enumeration

CWE-352

Related Identifiers

BIT-JOOMLA-2021-26033

CVE-2021-26033

Affected Products

Joomla!

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2021-26033 · Security Note
• https://osv.dev/vulnerability/BIT-joomla-2021-26033 · Vendor Advisory
• https://developer.joomla.org/security-centre/853-20210502-core-csrf-in-ajax-reordering-endpoint.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-26033 · Vendor Advisory
• https://t.me/cvenotify/15231 · Telegram Post