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.

Remediation

References

CVE-2016-9838

Related Vulnerabilities

WordPress Plugin Appointment Booking Calendar SQL Injection (1.1.23)

phpMyAdmin Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2012-1902)

FluxBB Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Vulnerability (CVE-2014-10029)

Magento CVE-2020-9632 Vulnerability (CVE-2020-9632)

OpenSSL Observable Differences in Behavior to Error Inputs Vulnerability (CVE-2019-1559)

Severity

High

Classification

CVE-2016-9838 CWE-284 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Tags

Missing Update Known Vulnerabilities