HIGH
An issue was discovered in Joomla! Core before 3.8.8
Published May 22, 2018
8.8
HIGHCVSS 3.0
EPSS 2.71%
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.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
8.8 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
6.5 MEDIUM NVD
AV:N/AC:L/Au:S/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.71% 0.02714
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.02714
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.71% (0.02714) | 85.50th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.22% (0.03220) | 86.54th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.87% (0.00873) | 73.14th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.88% (0.01875) | 72.11th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.35% (0.00351) | 72.16th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.35% (0.00351) | 71.09th | v3 (v2023.03.01) |
| Oct 13, 2023 | 0.35% (0.00351) | 68.66th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.36% (0.00358) | 68.27th | v3 (v2023.03.01) |
| May 16, 2023 | 0.51% (0.00505) | 73.06th | v3 (v2023.03.01) |
| May 8, 2023 | 0.42% (0.00424) | 70.47th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.30% (0.00300) | 64.70th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00890) | 30.33th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00890) | 28.64th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00890) | 26.62th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00890) | 12.04th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.83% (0.00833) | 24.58th | v1 |
| Jan 6, 2022 | 0.83% (0.00833) | 23.96th | v1 |
| Sep 1, 2021 | 0.83% (0.00833) | 57.50th | v1 |
| Apr 14, 2021 | 0.83% (0.00833) | 0.00th | v1 |
Weaknesses (1)
References (3)
- http://www.securityfocus.com/bid/104276 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1040966 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://developer.joomla.org/security-centre/729-20180501-core-acl-violation-in-access-levels.html x_refsource_MISCVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/104276 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1040966 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://developer.joomla.org/security-centre/729-20180501-core-acl-violation-in-access-levels.html | x_refsource_MISCVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published May 22, 2018
Updated Aug 5, 2024
Reserved May 21, 2018
Link CVE-2018-11323
CISA Vulnrichment
Updated n/a