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CVE-2023-23921

Published: Feb 17, 2023

Modified: Aug 2, 2024

PUBLISHED

Description

The vulnerability was found Moodle which exists due to insufficient sanitization of user-supplied data in some returnurl parameters. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website. This flaw allows a remote attacker to perform cross-site scripting (XSS) attacks.

Vendor	Product	Versions
Unknown	moodle	affected `4.1.0 - < 4.1.1` affected `4.0.0 - < 4.0.6` affected `3.11.0 - < 3.11.12` affected `0 - < 3.9.19`

Weaknesses (CWE)

References

http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76810

https://bugzilla.redhat.com/show_bug.cgi?id=2162526

https://moodle.org/mod/forum/discuss.php?d=443272#p1782021

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