| Package | Affected versions | Patched versions |
|---|---|---|
| moodle | = 2.5.0= 2.5.1 |
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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