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CVE-2021-26038
Published: Jul 7, 2021
Modified: Feb 25, 2026
PUBLISHED
Description
An issue was discovered in Joomla! 2.5.0 through 3.9.27. Install action in com_installer lack the required hardcoded ACL checks for superusers. A default system is not affected cause the default ACL for com_installer is limited to super users already.
| Vendor | Product | Versions |
|---|---|---|
Joomla! Project | Joomla! CMS | affected 2.5.0-3.9.27 |
References
https://developer.joomla.org/security-centre/859-20210704-core-privilege-escalation-through-com-installer.html
x_refsource_MISC
vendor-advisory
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