Moodle · Moodle · CVE-2014-3542
**Name of the Vulnerable Software and Affected Versions**
Moodle versions 2.3.11 and earlier, 2.4.x before 2.4.11, 2.5.x before 2.5.7, 2.6.x before 2.6.4, 2.7.x before 2.7.1
**Description**
The issue allows remote attackers to read arbitrary files via an XML external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue. This occurs in the mod/lti/service.php file.
**Recommendations**
For versions 2.3.11 and earlier, update to a version later than 2.3.11.
For versions 2.4.x before 2.4.11, update to version 2.4.11 or later.
For versions 2.5.x before 2.5.7, update to version 2.5.7 or later.
For versions 2.6.x before 2.6.4, update to version 2.6.4 or later.
For versions 2.7.x before 2.7.1, update to version 2.7.1 or later.