PT-2021-3111 · Moodle+1 · Moodle+1

Jordan Tomkinson

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Published

2021-05-10

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Updated

2025-12-25

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CVE-2021-32478

CVSS v2.0

6.4

Medium

VectorAV:N/AC:L/Au:N/C:P/I:P/A:N
Name of the Vulnerable Software and Affected Versions Moodle versions 3.10 to 3.10.3 Moodle versions 3.9 to 3.9.6 Moodle versions 3.8 to 3.8.8 Moodle versions prior to 3.8
Description The issue arises from insufficient sanitizing of user-provided data in the LTI authorization endpoint, leading to reflected XSS and open redirect risks. This could allow a remote attacker to perform cross-site scripting attacks.
Recommendations For versions 3.10 to 3.10.3, update to a version that includes the necessary sanitizing of the redirect URI in the LTI authorization endpoint. For versions 3.9 to 3.9.6, update to a version that includes the necessary sanitizing of the redirect URI in the LTI authorization endpoint. For versions 3.8 to 3.8.8, update to a version that includes the necessary sanitizing of the redirect URI in the LTI authorization endpoint. For versions prior to 3.8, update to a version that includes the necessary sanitizing of the redirect URI in the LTI authorization endpoint.

Fix

Open Redirect

XSS

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Weakness Enumeration

Related Identifiers

ALT-PU-2021-1777
ALT-PU-2022-1641
BDU:2021-02734
BIT-MOODLE-2021-32478
CVE-2021-32478
GHSA-78FM-QHH8-8858

Affected Products

Alt Linux
Moodle