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GHSA-6r7x-6q98-qcqplow

Moodle does not set the RISK_XSS bit for graders

Impact

mod/quiz/db/access.php in Moodle through 2.5.9, 2.6.x before 2.6.11, 2.7.x before 2.7.8, and 2.8.x before 2.8.6 does not set the RISK_XSS bit for graders, which allows remote authenticated users to conduct cross-site scripting (XSS) attacks via crafted gradebook feedback during manual quiz grading.

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.

moodle/moodle Packagist
Affected rangeRecorded fix
Earlier releases before 2.6.11Ecosystem versions2.6.11
From 2.7.0 before 2.7.8Ecosystem versions2.7.8
From 2.8.0 before 2.8.6Ecosystem versions2.8.6

Version evidence: OSV · GHSA-6r7x-6q98-qcqp

View original version evidence (60 explicit versions)

Original source description

mod/quiz/db/access.php in Moodle through 2.5.9, 2.6.x before 2.6.11, 2.7.x before 2.7.8, and 2.8.x before 2.8.6 does not set the RISK_XSS bit for graders, which allows remote authenticated users to conduct cross-site scripting (XSS) attacks via crafted gradebook feedback during manual quiz grading.

References