{"id":"CVE-2026-113683","revision":"189aab4e2d4d46ee892371231435598b","records":[{"revision":"189aab4e2d4d46ee892371231435598b","observedAt":"2026-10-23T16:01:20.601+00:00","statement":{"source":"cve-program","id":"CVE-2026-113683","aliases":[],"title":"VPL for Moodle before 5.0.0 Reflected XSS via similarity/diff.php filename","description":"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.","state":0,"publishedAt":"2026-10-20T15:40:43.19+00:00","modifiedAt":"2026-10-23T01:48:46.789+00:00","affected":[{"ecosystem":"Vendor product","name":"moodle-mod_vpl","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"jcrodriguez-dis\",\n                    \"product\": \"moodle-mod_vpl\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.0.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"repo\": \"https://github.com/jcrodriguez-dis/moodle-mod_vpl\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","score":5.1,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1,"severity":"MEDIUM"}],"references":["https://github.com/jcrodriguez-dis/moodle-mod_vpl/commit/5dd7fe00df2816b692f8ea262c6fa8cdee0b26b7","https://github.com/jcrodriguez-dis/moodle-mod_vpl/releases/tag/V5.0.0","https://github.com/jcrodriguez-dis/moodle-mod_vpl/blob/V4.5.0/similarity/diff.class.php#L412-L419","https://www.vulncheck.com/advisories/vpl-for-moodle-before-5.0.0-reflected-xss-via-similarity-diff-php-filename"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-113683","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-113683","identifiers":["CVE-2026-113683"]},"retained":false,"historicalAffected":[]}],"coverage":[]}