Description

Joomla! Core is prone to a cross-site request forgery vulnerability. Exploiting this issue may allow a remote attacker to perform certain administrative actions and gain unauthorized access to the affected application; other attacks are also possible. Joomla! Core versions 3.x.x ranging from 3.0.0 and up to and including 3.9.26 are vulnerable.

Remediation

Update to Joomla! Core version 3.9.27 or latest

References

https://developer.joomla.org/security-centre/853-20210502-core-csrf-in-ajax-reordering-endpoint.html

Related Vulnerabilities

MySQL CVE-2020-2774 Vulnerability (CVE-2020-2774)

YOURLS Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2014-8488)

PHP Integer Overflow or Wraparound Vulnerability (CVE-2016-7568)

Rukovoditel Improper Neutralization of Special Elements used in a Command ('Command Injection') Vulnerability (CVE-2022-48175)

Dot CMS Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') Vulnerability (CVE-2019-12309)

Severity

High

Classification

CVE-2021-26033 CWE-352 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Tags

Missing Update CSRF