Description
The My Home implementation in the block_html_pluginfile function in blocks/html/lib.php in Moodle through 2.3.11, 2.4.x before 2.4.10, 2.5.x before 2.5.6, and 2.6.x before 2.6.3 does not properly restrict file access, which allows remote attackers to obtain sensitive information by visiting an HTML block.
Remediation
References
Related Vulnerabilities
WordPress Plugin Smart Slider 3 Cross-Site Scripting (3.5.0.8)
ownCloud Cross-Site Request Forgery (CSRF) Vulnerability (CVE-2014-2050)
WordPress Plugin PowerPack Lite for Beaver Builder Cross-Site Scripting (1.2.9.2)
phpMyFAQ Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2011-3783)