CVE-2021-26029

MEDIUM 5.3CVE-2021-26029 · Published 04/03/2021 · updated 17/06/2026

In short

CVE-2021-26029 is a MEDIUM (CVSS 5.3) vulnerability affecting joomla! (joomla).
Chance of exploitation in the next 30 days (EPSS): 1.0%, higher than 62.9% of all vulnerabilities.
Fix: update to 3.9.25 or later.

Package	Affected versions	Patched versions
joomla! joomla	`≥ 1.6.0, < 3.9.25`	`3.9.25`

An issue was discovered in Joomla! 1.6.0 through 3.9.24. Inadequate filtering of form contents could allow to overwrite the author field.

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Package

Affected versions

Patched versions

≥ 1.6.0, < 3.9.25

3.9.25

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