Vulnerability · Published Jul 7, 2021 · Assigned by Joomla

CVE-2021-26036[20210702] - Core - DoS through usergroup table manipulation

High 7.5

In plain English

A high-severity security flaw in Joomla! CMS from Joomla! Project. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities).

Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.2%top 31.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

An issue was discovered in Joomla! 2.5.0 through 3.9.27. Missing validation of input could lead to a broken usergroups table.

Affected products (as reported)

VendorProductVersions
Joomla! Project Joomla! CMS 2.5.0-3.9.27

References