HIGH
An issue was discovered in Joomla! before 3.8.13
Published Oct 9, 2018
7.2
HIGHCVSS 3.0
EPSS 2.69%
Description
An issue was discovered in Joomla! before 3.8.13. com_joomlaupdate allows the execution of arbitrary code. The default ACL config enabled the ability of Administrator-level users to access com_joomlaupdate and trigger code execution.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
7.2 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required High
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.
2.69% 0.02694
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02694
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 (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.69% (0.02694) | 85.37th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.69% (0.02694) | 83.90th | v5 (v2026.06.15) |
| Oct 3, 2025 | 4.38% (0.04381) | 88.55th | v4 (v2025.03.14) |
| Mar 30, 2025 | 5.42% (0.05425) | 89.18th | v4 (v2025.03.14) |
| Mar 29, 2025 | 17.38% (0.17383) | 91.81th | v4 (v2025.03.14) |
| Mar 19, 2025 | 5.42% (0.05425) | 88.91th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.62% (0.01616) | 80.53th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.35% (0.00347) | 72.53th | v3 (v2023.03.01) |
| May 28, 2024 | 0.53% (0.00525) | 76.89th | v3 (v2023.03.01) |
| Mar 1, 2024 | 0.62% (0.00624) | 78.38th | v3 (v2023.03.01) |
| Oct 3, 2023 | 0.64% (0.00635) | 76.66th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.53% (0.00534) | 73.99th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.38% (0.00378) | 68.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.20% (0.02199) | 81.14th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.20% (0.02199) | 79.33th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.20% (0.02199) | 58.00th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.46% (0.01458) | 32.87th | v1 |
| Jan 6, 2022 | 1.46% (0.01458) | 32.17th | v1 |
| Sep 1, 2021 | 1.46% (0.01458) | 72.29th | v1 |
| Apr 14, 2021 | 1.46% (0.01458) | 0.00th | v1 |
Weaknesses (0)
No CWE recorded.
References (7)
- http://www.securityfocus.com/bid/105559 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041914 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://developer.joomla.org/security-centre/752-20181002-core-inadequate-default-access-level-for-com-joomlaupdate.html x_refsource_CONFIRMVendor Advisory
- https://github.com/advisories/GHSA-9m72-pw47-292w Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-17856
- https://web.archive.org/web/20210124211736/http://www.securityfocus.com/bid/105559
- https://web.archive.org/web/20211208125303/http://www.securitytracker.com/id/1041914
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/105559 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1041914 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://developer.joomla.org/security-centre/752-20181002-core-inadequate-default-access-level-for-com-joomlaupdate.html | x_refsource_CONFIRMVendor Advisory | |
| https://github.com/advisories/GHSA-9m72-pw47-292w | Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-17856 | ||
| https://web.archive.org/web/20210124211736/http://www.securityfocus.com/bid/105559 | ||
| https://web.archive.org/web/20211208125303/http://www.securitytracker.com/id/1041914 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Oct 9, 2018
Updated Aug 5, 2024
Reserved Oct 1, 2018
Link CVE-2018-17856
CISA Vulnrichment
GHSA-9M72-PW47-292W Updated n/a