HIGH
An issue was discovered in components/com_users/models/registration.php in Joomla! before 3.6.5
Published Dec 16, 2016
7.5
HIGHCVSS 3.0
EPSS 14.10%
Description
An issue was discovered in components/com_users/models/registration.php in Joomla! before 3.6.5. Incorrect filtering of registration form data stored to the session on a validation error enables a user to gain access to a registered user's account and reset the user's group mappings, username, and password, as demonstrated by submitting a form that targets the `registration.register` task.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact High
Availability Impact None
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
14.10% 0.14099
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.14099
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (45 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 14.10% (0.14099) | 96.46th | v5 (v2026.06.15) |
| Sep 22, 2026 | 14.10% (0.14099) | 96.40th | v5 (v2026.06.15) |
| Sep 21, 2026 | 11.58% (0.11581) | 95.90th | v5 (v2026.06.15) |
| Sep 6, 2026 | 14.10% (0.14099) | 96.31th | v5 (v2026.06.15) |
| Sep 5, 2026 | 11.58% (0.11581) | 95.81th | v5 (v2026.06.15) |
| Aug 30, 2026 | 14.10% (0.14099) | 96.29th | v5 (v2026.06.15) |
| Aug 28, 2026 | 11.58% (0.11581) | 95.78th | v5 (v2026.06.15) |
| Aug 24, 2026 | 14.10% (0.14099) | 96.27th | v5 (v2026.06.15) |
| Aug 23, 2026 | 11.58% (0.11581) | 95.77th | v5 (v2026.06.15) |
| Jun 15, 2026 | 14.10% (0.14099) | 96.08th | v5 (v2026.06.15) |
| Mar 4, 2026 | 2.87% (0.02871) | 86.04th | v4 (v2025.03.14) |
| Mar 1, 2026 | 7.55% (0.07551) | 91.70th | v4 (v2025.03.14) |
| Feb 4, 2026 | 2.87% (0.02871) | 85.93th | v4 (v2025.03.14) |
| Feb 1, 2026 | 7.55% (0.07551) | 91.64th | v4 (v2025.03.14) |
| Jan 4, 2026 | 2.87% (0.02871) | 85.86th | v4 (v2025.03.14) |
| Jan 1, 2026 | 7.55% (0.07551) | 91.58th | v4 (v2025.03.14) |
| Dec 4, 2025 | 2.87% (0.02871) | 85.82th | v4 (v2025.03.14) |
| Dec 1, 2025 | 7.55% (0.07551) | 91.50th | v4 (v2025.03.14) |
| Nov 4, 2025 | 2.87% (0.02871) | 85.77th | v4 (v2025.03.14) |
| Nov 1, 2025 | 7.55% (0.07551) | 91.43th | v4 (v2025.03.14) |
| Oct 4, 2025 | 2.87% (0.02871) | 85.76th | v4 (v2025.03.14) |
| Oct 1, 2025 | 7.55% (0.07551) | 91.49th | v4 (v2025.03.14) |
| Sep 4, 2025 | 2.87% (0.02871) | 85.77th | v4 (v2025.03.14) |
| Sep 1, 2025 | 7.55% (0.07551) | 91.51th | v4 (v2025.03.14) |
| Aug 4, 2025 | 2.87% (0.02871) | 85.77th | v4 (v2025.03.14) |
| Aug 1, 2025 | 7.55% (0.07551) | 91.49th | v4 (v2025.03.14) |
| Jul 4, 2025 | 2.87% (0.02871) | 85.71th | v4 (v2025.03.14) |
| Jul 1, 2025 | 7.55% (0.07551) | 91.41th | v4 (v2025.03.14) |
| Jun 4, 2025 | 2.87% (0.02871) | 85.62th | v4 (v2025.03.14) |
| Jun 1, 2025 | 7.55% (0.07551) | 91.38th | v4 (v2025.03.14) |
| May 4, 2025 | 2.87% (0.02871) | 85.52th | v4 (v2025.03.14) |
| May 1, 2025 | 7.55% (0.07551) | 91.37th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.87% (0.02871) | 85.05th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.20% (0.05198) | 82.83th | v4 (v2025.03.14) |
| Mar 28, 2025 | 2.87% (0.02871) | 85.05th | v4 (v2025.03.14) |
| Mar 27, 2025 | 5.20% (0.05198) | 88.50th | v4 (v2025.03.14) |
| Mar 20, 2025 | 2.87% (0.02871) | 85.12th | v4 (v2025.03.14) |
| Mar 19, 2025 | 5.20% (0.05198) | 88.66th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.40% (0.02401) | 83.96th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.15% (0.01145) | 85.42th | v3 (v2023.03.01) |
| Apr 11, 2024 | 1.15% (0.01145) | 84.55th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.15% (0.01145) | 82.55th | v3 (v2023.03.01) |
| Mar 6, 2023 | 8.38% (0.08382) | 93.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 8.38% (0.08382) | 93.35th | v2 (v2022.01.01) |
| Feb 4, 2022 | 8.38% (0.08382) | 82.62th | v2 (v2022.01.01) |
Weaknesses (1)
References (3)
- http://www.securityfocus.com/bid/94893 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://www.exploit-db.com/exploits/41157/ exploitx_refsource_EXPLOIT-DB
- https://www.joomla.org/announcements/release-news/5693-joomla-3-6-5-released.html x_refsource_CONFIRMPatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/94893 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://www.exploit-db.com/exploits/41157/ | exploitx_refsource_EXPLOIT-DB | |
| https://www.joomla.org/announcements/release-news/5693-joomla-3-6-5-released.html | x_refsource_CONFIRMPatchVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Dec 16, 2016
Updated Aug 6, 2024
Reserved Dec 5, 2016
Link CVE-2016-9838
CISA Vulnrichment
Updated n/a