{"schema":"threatline.record/2","record":{"id":"CVE-2025-35939","aliases":[],"summary":"Craft CMS External Control of Assumed-Immutable Web Parameter Vulnerability","details":"Craft CMS contains an external control of assumed-immutable web parameter vulnerability. This vulnerability could allow an unauthenticated client to introduce arbitrary values, such as PHP code, to a known local file location on the server. This vulnerability could be chained with CVE-2024-58136 as represented by CVE-2025-32432.","categories":["Applications & CMS"],"product":"Craft CMS","vendor":"Craft CMS","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2025-35939","source_modified_at":"2026-02-26T18:28:42.701Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"CMS","vendor":"Craft","versions":[{"version":"0","status":"affected","lessThan":"5.7.5","versionType":"custom"},{"version":"5.7.5","status":"unaffected"},{"version":"0","status":"affected","lessThan":"4.15.3","versionType":"custom"},{"version":"4.15.3","status":"unaffected"}],"defaultStatus":"unknown"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2025-35939","source_modified_at":"2026-02-26T18:28:42.701Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"CMS","ecosystem":null},"version":"5.7.5","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2025-35939","source_modified_at":"2026-02-26T18:28:42.701Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"CMS","ecosystem":null},"version":"4.15.3","basis":"first unaffected version stated in the CVE record"}],"cvss":5.3,"severity":"Medium","kev":{"listed":true,"date_added":"2025-06-02","due_date":"2025-06-23","required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.01349,"percentile":0.7128,"score_date":"2026-10-23"},"published_at":"2025-05-07T22:41:29.728Z","modified_at":"2026-02-26T18:28:42.701Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2025-35939","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-02-26T18:28:42.701Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2025-35939","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/craftcms/cms/pull/17220"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-35939","source":"CISA KEV"},{"source":"CVE List","url":"https://github.com/craftcms/cms/releases/tag/4.15.3"},{"source":"CVE List","url":"https://github.com/craftcms/cms/releases/tag/5.7.5"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2025-35939"},{"source":"CVE List","url":"https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-147-01.json"},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-35939","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"active","automatable":"yes","technical_impact":"partial","assessed_at":"2025-06-06T03:55:25.568262Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-02-26T18:28:42.701Z","content_hash":"671a0e51d4d993cd6d9338d318e85844f5a4ce6a4fd90d911bce6cbde28b8746"}}