CVE-2018-11323
An issue was discovered in Joomla! Core before 3.8.8. Inadequate checks allowed users to modify...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2018-11323- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-269
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2018-11323- Updated
- 2026-11-02
EUVDEUVD-2018-3361 No score
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.
- Record
EUVD-2018-3361- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-p3q3-q7x8-qcf4
An issue was discovered in Joomla! Core before 3.8.8. Inadequate checks allowed users to modify...
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.
- Record
GHSA-p3q3-q7x8-qcf4- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2018-11323- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-11323 is a high vulnerability (CVSS 8.8) in Joomla Joomla\!, published May 22, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.66%, the 85th percentile. No source names a fixed version.