CVE-2021-26038
HIGHJoomla! 2.5.0-3.9.27 - Privilege Escalation via com_installer Install Action
Title source: llmDescription
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.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_misc
vendor-advisory
https://developer.joomla.org/security-centre/859-20210704-core-privilege-escalation-through-com-installer.html
Scores
CVSS v3
7.5
EPSS
0.0001
EPSS Percentile
1.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Details
CWE
CWE-754
Status
published
Products (1)
joomla/joomla\!
2.5.0 - 3.9.27
Published
Jul 07, 2021
Tracked Since
Feb 18, 2026