ESB-2023.7674 – [Win][UNIX/Linux] Moodle: CVSS (Max): None

December 30, 2023

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AUSCERT External Security Bulletin Redistribution

ESB-2023.7674
MSA-23-0048: Stored XSS in grader report via user ID number
22 December 2023

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AusCERT Security Bulletin Summary
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Product: Moodle
Publisher: Moodle
Operating System: Windows
UNIX variants (UNIX, Linux, OSX)
Resolution: Patch/Upgrade
CVE Names: CVE-2023-6665

Original Bulletin:
https://moodle.org/mod/forum/discuss.php?d=453762

Comment: CVSS (Max): None available when published

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MSA-23-0048: Stored XSS in grader report via user ID number

ID numbers displayed in the grader report required additional sanitizing to
prevent a stored XSS risk.

Severity/Risk: Minor
Versions affected: 4.3 and 4.2 to 4.2.3
Versions fixed: 4.3.1 and 4.2.4
Reported by: Paul Holden
CVE identifier: CVE-2023-6665
Changes (master): http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-80239
Tracker issue: MDL-80239 Stored XSS in grader report via user ID number

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Australian Computer Emergency Response Team
The University of Queensland
Brisbane
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