Moodle · Moodle · CVE-2011-4278
**Name of the Vulnerable Software and Affected Versions**
Moodle versions 1.9.x through 1.9.10
Moodle versions 2.0.x through 2.0.1
**Description**
A cross-site scripting (XSS) issue exists in the tag autocomplete functionality, allowing remote attackers to inject arbitrary web script or HTML via unspecified vectors.
**Recommendations**
For Moodle versions 1.9.x through 1.9.10, update to version 1.9.11 or later.
For Moodle versions 2.0.x through 2.0.1, update to version 2.0.2 or later.