{"schema":"threatline.record/2","record":{"id":"CVE-2026-104461","aliases":["GHSA-67v5-7pfv-pp9m"],"summary":"YesWiki before 4.6.7 Stored XSS via Unsanitized SVG Upload in Bazar FileField","details":"YesWiki before 4.6.7 contains a stored cross-site scripting vulnerability in the Bazar FileField, which validates only the upload's file extension and never calls HtmlPurifierService::cleanFile, so SVG files are stored verbatim and served inline as image/svg+xml. Authenticated users can submit entries via POST /api/entries/{formId} with SVG files containing script that executes in the wiki origin when the file is opened, enabling administrator session or account compromise.","categories":["Unclassified"],"product":"yeswiki","vendor":"YesWiki","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-104461","source_modified_at":"2026-10-06T16:17:59.105Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"yeswiki","vendor":"YesWiki","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"4.6.7"},{"version":"4.6.7","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-104461","source_modified_at":"2026-10-06T16:17:59.105Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"yeswiki","ecosystem":null},"version":"4.6.7","basis":"first unaffected version stated in the CVE record"}],"cvss":5.1,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00168,"percentile":0.05836,"score_date":"2026-10-23"},"published_at":"2026-10-02T11:38:29.623Z","modified_at":"2026-10-06T16:17:59.105Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-104461","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-06T16:17:59.105Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-104461","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/YesWiki/yeswiki/security/advisories/GHSA-67v5-7pfv-pp9m","tags":["exploit"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-stored-xss-via-unsanitized-svg-upload-in-bazar-filefield","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-06T16:17:31.208346Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-06T16:17:59.105Z","content_hash":"cd6173164ea893a371c9b6b76782e038b075538b7041a2d4b0f0fa7075588220"}}