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 · OSVAffected 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 range | Recorded fix |
|---|---|
| From 2.8.0 before 2.8.2Ecosystem versions | 2.8.2 |
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
- Security advisory nvd.nist.gov/vuln/detail/CVE-2015-0216
- Patch github.com/moodle/moodle/commit/b9c86823c70a1cba20bca1c4b5b032ee1559e22d
- Patch github.com/moodle/moodle/commit/c80603ddc4ba4e7d85ea2b79f644a4a041cee137
- Source reference github.com/moodle/moodle
- Source reference moodle.org/mod/forum/discuss.php
- Source reference git.moodle.org/gw
- Security advisory openwall.com/lists/oss-security/2015/01/19/1