CVE-2016-9838 EXPLOIT
7.5
HIGH · CVSS 3.0 · EPSS 14.1% (pctl 96)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 7.5 (HIGH, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| EPSS | 14.1% — more likely to be exploited than 96% of all CVEs |
| Weakness | CWE-284 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2016-12-16 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| joomla | joomla\! |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Joomla! < 3.6.4 - Admin Takeover | 2017-01-20 |
References
- http://www.securityfocus.com/bid/94893
- https://www.exploit-db.com/exploits/41157/
- https://www.joomla.org/announcements/release-news/5693-joomla-3-6-5-released.html
- http://www.securityfocus.com/bid/94893
- https://www.exploit-db.com/exploits/41157/
- https://www.joomla.org/announcements/release-news/5693-joomla-3-6-5-released.html
→ the Explorer · watch your stack · NVD