Description
The Shibboleth authentication plugin in auth/shibboleth/index.php in Moodle through 2.3.11, 2.4.x before 2.4.11, and 2.5.x before 2.5.7 does not check whether a session ID is empty, which allows remote authenticated users to hijack sessions via crafted plugin interaction.
Remediation
References
Related Vulnerabilities
Oracle JRE CVE-2013-2394 Vulnerability (CVE-2013-2394)
Moodle Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2016-2151)
WordPress Plugin Variation Swatches for WooCommerce Cross-Site Scripting (2.1.1)
WordPress Plugin XEN Carousel Multiple Cross-Site Scripting Vulnerabilities (0.12.2)