Read the docs
TI-2021-08011 Aliases CVE-2021-26033GHSA-3247-q928-6mr7

[20210502] - Core - CSRF in AJAX reordering endpoint

Priority LOW 29CWE-352Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Tampering
Confidentiality · integrity · availability
None · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-352.

Summary

An issue was discovered in Joomla! 3.0.0 through 3.9.26. A missing token check causes a CSRF vulnerability in the AJAX reordering endpoint.

Why it matters now

EPSS 0.00498 42nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
Joomla!Joomla! CMS3.0.0-3.9.26—No fix listedCNA
  • Joomla! CMS VendorJoomla! Affected 3.0.0-3.9.26 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*3.0.0 – 3.9.26VulnerableJoomla!
  • cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:* Versions 3.0.0 – 3.9.26 Vulnerable ·Joomla!

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-26033
  2. 2026-10-03 Alias added: GHSA-3247-q928-6mr7

References

  • TI-2016-08118 The mailSend function in the isMail transport in PHPMailer before 5.2.18 might allow… KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-06410 SQL injection vulnerability in Joomla! 3.7.x before 3.7.1 allows attackers to execute… CVSS 3.0CRITICAL 9.8
  • TI-2016-08129 The isMail transport in PHPMailer before 5.2.20 might allow remote attackers to pass… CVSS 3.1CRITICAL 9.8
  • TI-2016-07280 The register method in the UsersModelRegistration class in controllers/user.php in the… CVSS 3.0CRITICAL 9.8
  • TI-2023-09555 [20230201] - Core - Improper access check in webservice endpoints KEVCVSS 3.1MEDIUM 5.3
  • TI-2015-07045 Joomla! 1.5.x, 2.x, and 3.x before 3.4.6 allow remote attackers to conduct PHP object… CVSS 2.0HIGH 7.5
See all 339 →

Sources