CVE-2021-26036

7.5 highEPSS 1.2%

High (7.5) in joomla joomla\!. EPSS 1.2% chance of exploitation in the next 30 days.

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

Severity

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 68% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2021-07-07
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19