{"id":"CVE-2025-30401","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-30401","generatedAt":"2026-11-03T21:43:27.432Z","title":"A maliciously crafted mismatch could have caused the recipient to inadvertently execute arbitrary code rather than view the attachment when manually opening the attachment inside WhatsApp.","description":"A spoofing issue in WhatsApp for Windows prior to version 2.2450.6 displayed attachments according to their MIME type but selected the file opening handler based on the attachment’s filename extension. A maliciously crafted mismatch could have caused the recipient to inadvertently execute arbitrary code rather than view the attachment when manually opening the attachment inside WhatsApp. We have not seen evidence of exploitation in the wild.","published":"2025-04-05T12:15:15.000Z","lastModified":"2026-06-17T09:08:39.000Z","status":"Modified","sourceIdentifier":"cve-assign@fb.com","cvss":{"version":"3.1","score":6.7,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:L"},"cwe":[],"affected":["whatsapp/whatsapp"],"epss":{"score":0.20987,"percentile":0.97566,"date":"2026-11-02","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 21.0%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://www.facebook.com/security/advisories/cve-2025-30401","tags":["Third Party Advisory"],"source":"cve-assign@fb.com"},{"url":"https://www.whatsapp.com/security/advisories/2025/","source":"cve-assign@fb.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-30401","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}