CVE-2018-11323
Inadequate checks allowed users to modify the access levels of user groups with higher permissions.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.71%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in Joomla! Core before 3.8.8. Inadequate checks allowed users to modify the access levels of user groups with higher permissions.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.71% probability · 86th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-269
- Affected
- joomla/joomla\!
- Source
- cve@mitre.org
EPSS 2.7% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/104276Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040966Third Party Advisory, VDB Entry
- https://developer.joomla.org/security-centre/729-20180501-core-acl-violation-in-access-levels.htmlVendor Advisory
- http://www.securityfocus.com/bid/104276Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1040966Third Party Advisory, VDB Entry
- https://developer.joomla.org/security-centre/729-20180501-core-acl-violation-in-access-levels.htmlVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.