MEDIUM 5.1 NVD
CVE-2026-113683
VPL (Virtual Programming Lab) for Moodle before 5.0.0 contains a reflected cross-site scripting vulnerability that allows remote attackers to inject script via
VPL (Virtual Programming Lab) for Moodle before 5.0.0 contains a reflected cross-site scripting vulnerability that allows remote attackers to inject script via unencoded filename1/filename2 parameters in similarity/diff.php. Attackers can craft a diff.php link with a JavaScript payload that runs when a user holding mod/vpl:similarity opens it, performing actions or disclosing data under their session.
References
- https://github.com/jcrodriguez-dis/moodle-mod_vpl/blob/V4.5.0/similarity/diff.class.php#L4
- https://github.com/jcrodriguez-dis/moodle-mod_vpl/commit/5dd7fe00df2816b692f8ea262c6fa8cde
- https://github.com/jcrodriguez-dis/moodle-mod_vpl/releases/tag/V5.0.0
- https://www.vulncheck.com/advisories/vpl-for-moodle-before-5.0.0-reflected-xss-via-similar
This medium severity vulnerability with a CVSS score of 5.1 was published on 2026-10-20 via NVD.
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