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GHSA-2jcw-r79x-4r5vlow

Moodle does not set the RISK_XSS bit for graders

Impact

access.php in the Lesson module in Moodle 2.8.x before 2.8.2 does not set the RISK_XSS bit for graders, which allows remote authenticated users to conduct cross-site scripting (XSS) attacks via crafted essay feedback.

Source excerpt · OSV

Affected packages

Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.

Affected rangeRecorded fix
From 2.8.0 before 2.8.2Ecosystem versions2.8.2

Version evidence: OSV · GHSA-2jcw-r79x-4r5v

View original version evidence (2 explicit versions)

Original source description

access.php in the Lesson module in Moodle 2.8.x before 2.8.2 does not set the RISK_XSS bit for graders, which allows remote authenticated users to conduct cross-site scripting (XSS) attacks via crafted essay feedback.

References