CVE-2022-30596

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-05-18 · updated 2026-06-17
Weakness: CWE-79

Description

A flaw was found in moodle where ID numbers displayed when bulk allocating markers to assignments required additional sanitizing to prevent a stored XSS risk.

Affected products

Fedoraproject Fedora: 34, 35, 36
Moodle: from 3.9 before 3.9.14; from 3.10 before 3.10.11; from 3.11 before 3.11.7; 4.0.0 — fixed in 3.10.11, 3.11.7, 3.9.14
Red Hat Enterprise Linux: 8.0

How to fix

Upgrade to a fixed version: Moodle 3.10.11, 3.11.7, 3.9.14. Check the vendor advisory for mitigations.

References

http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-74204
https://bugzilla.redhat.com/show_bug.cgi?id=2083583
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OGF35EN5K2R6X3NTY3XPZSJ3UDASMXI6/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PIMSIRKCFLIC646K4GMUSZU7THOUVPAJ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QCTWSE3JDMSYL7DPCMXMMJEXZSS6VIA5/
https://moodle.org/mod/forum/discuss.php?d=434578
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-74204
https://bugzilla.redhat.com/show_bug.cgi?id=2083583
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OGF35EN5K2R6X3NTY3XPZSJ3UDASMXI6/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PIMSIRKCFLIC646K4GMUSZU7THOUVPAJ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QCTWSE3JDMSYL7DPCMXMMJEXZSS6VIA5/
https://moodle.org/mod/forum/discuss.php?d=434578

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