Description
Claroline 13.5.7 and prior allows an authenticated attacker to elevate privileges via the arbitrary creation of a privileged user. By combining the XSS vulnerability present in several upload forms and a javascript request to the present API, it is possible to trigger the creation of a user with administrative rights by opening an SVG file as an administrator user.
Remediation
References
Related Vulnerabilities
MySQL CVE-2017-3244 Vulnerability (CVE-2017-3244)
WordPress Plugin Advanced Booking Calendar SQL Injection (1.6.1)
GlassFish Improper Authentication Vulnerability (CVE-2017-1000030)
WebLogic CVE-2019-2398 Vulnerability (CVE-2019-2398)
PHP Deserialization of Untrusted Data Vulnerability (CVE-2018-19396)