{"schema":"threatline.record/2","record":{"id":"CVE-2026-113683","aliases":[],"summary":"VPL for Moodle before 5.0.0 Reflected XSS via similarity/diff.php filename","details":"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.","categories":["Applications & CMS"],"product":"moodle-mod_vpl","vendor":"jcrodriguez-dis","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-113683","source_modified_at":"2026-10-23T01:48:46.789Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"moodle-mod_vpl","vendor":"jcrodriguez-dis","versions":[{"version":"0","lessThan":"5.0.0","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-113683","source_modified_at":"2026-10-23T01:48:46.789Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"moodle-mod_vpl","ecosystem":null},"version":"5.0.0","basis":"first unaffected version stated in the CVE record"}],"cvss":5.1,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00293,"percentile":0.20826,"score_date":"2026-10-23"},"published_at":"2026-10-20T15:40:43.190Z","modified_at":"2026-10-23T01:48:46.789Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-113683","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T01:48:46.789Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-113683","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/jcrodriguez-dis/moodle-mod_vpl/commit/5dd7fe00df2816b692f8ea262c6fa8cdee0b26b7","tags":["patch"]},{"source":"CVE List","url":"https://github.com/jcrodriguez-dis/moodle-mod_vpl/releases/tag/V5.0.0","tags":["release-notes"]},{"source":"CVE List","url":"https://github.com/jcrodriguez-dis/moodle-mod_vpl/blob/V4.5.0/similarity/diff.class.php#L412-L419","tags":["technical-description"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/vpl-for-moodle-before-5.0.0-reflected-xss-via-similarity-diff-php-filename","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-23T01:48:37.482858Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-23T01:48:46.789Z","content_hash":"608cc520d4870540a9eae0a97e5a1941a88cd050ccc535d988b8891e29e45930"}}