[20181002] – Core – Inadequate default access level for com_joomlaupdate
- Project: Joomla!
- SubProject: CMS
- Impact: High
- Severity: Low
- Versions: 2.5.4 through 3.8.12
- Exploit type: Object Injection
- Reported Date: 2018-June-21
- Fixed Date: 2018-October-02
- CVE Number: CVE-2018-17856
Description
Joomla’s com_joomlaupdate allows the execution of arbitrary code. The default ACL config enabled access of Administrator-level users to access com_joomlaupdate and trigger a code execution.
Affected Installs
Joomla! CMS versions 2.5.4 through 3.8.12
Solution
Upgrade to version 3.8.13
Contact
The JSST at the Joomla! Security Centre.