PHP Object Injection Vulnerability in Moodle 2.5.x before 2.5.2

CVE-2013-5674 · HIGH Severity

AV:N/AC:L/AU:N/C:P/I:P/A:P

badges/external.php in Moodle 2.5.x before 2.5.2 does not properly handle an object obtained by unserializing a description of an external badge, which allows remote attackers to conduct PHP object injection attacks via unspecified vectors, as demonstrated by overwriting the value of the userid parameter.

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