CVE-2011-4301

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-07-11 · updated 2026-06-16

Description

The MoodleQuickForm class in the Forms Library in lib/formslib.php in Moodle 1.9.x before 1.9.14, 2.0.x before 2.0.5, and 2.1.x before 2.1.2 does not recognize Forms API setConstant operations, which allows remote attackers to submit unexpected form content by modifying the values of constant fields.

Affected products

Moodle: 1.9.2, 1.9.3, 1.9.4, 1.9.5, 1.9.6, 1.9.7 (+13)

References

http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=f1f70bd4dde6cd1ea4bdb8ab28fa3d36a53b89d8
http://moodle.org/mod/forum/discuss.php?d=188313
https://bugzilla.redhat.com/show_bug.cgi?id=747444
http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=f1f70bd4dde6cd1ea4bdb8ab28fa3d36a53b89d8
http://moodle.org/mod/forum/discuss.php?d=188313
https://bugzilla.redhat.com/show_bug.cgi?id=747444

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