Headline
GHSA-w2pm-fr62-jgv4: Moodle vulnerable to stored Cross-site Scripting
Moodle 3.10.1 is vulnerable to persistent/stored cross-site scripting (XSS) due to the improper input sanitization on the “Additional HTML Section” via “Header and Footer” parameter in /admin/settings.php
. This vulnerability may lead an attacker to steal admin and all user account cookies by storing the malicious XSS payload in Header and Footer.
Moodle vulnerable to stored Cross-site Scripting
Moderate severity GitHub Reviewed Published May 16, 2023 to the GitHub Advisory Database • Updated May 17, 2023
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Moodle 3.10.1 is vulnerable to persistent/stored cross-site scripting (XSS) due to the improper input sanitization on the "Additional HTML Section" via "Header and Footer" parameter in /admin/settings.php. This vulnerability is leading an attacker to steal admin and all user account cookies by storing the malicious XSS payload in Header and Footer.