CVE-2013-2083

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-05-25 · updated 2026-06-16
Weakness: CWE-20

Description

The MoodleQuickForm class in lib/formslib.php in Moodle through 2.1.10, 2.2.x before 2.2.10, 2.3.x before 2.3.7, and 2.4.x before 2.4.4 does not properly handle a certain array-element syntax, which allows remote attackers to bypass intended form-data filtering via a crafted request.

Affected products

Moodle: 2.1.0, 2.1.1, 2.1.2, 2.1.3, 2.1.4, 2.1.5 (+26)

References

http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-38885
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106965.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106988.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/107026.html
http://openwall.com/lists/oss-security/2013/05/21/1
https://moodle.org/mod/forum/discuss.php?d=228935
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-38885
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106965.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/106988.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-May/107026.html
http://openwall.com/lists/oss-security/2013/05/21/1
https://moodle.org/mod/forum/discuss.php?d=228935

Get alerted when CVE-2013-2083 or the next vulnerability affects your stack