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.
Exploits (2)
Scores
CVSS v3
7.5
EPSS
0.0287
EPSS Percentile
86.3%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Lab Environment
Details
CWE
CWE-284
Status
published
Products (1)
joomla/joomla\!
< 3.6.4
Published
Dec 16, 2016
Tracked Since
Feb 18, 2026