{"cve":"CVE-2024-9393","nvd":{"published":"2024-10-01T16:15:10.623","modified":"2026-06-17T08:24:28.693","status":"Modified","description":"An attacker could, via a specially crafted multipart response, execute arbitrary JavaScript under the `resource://pdf.js` origin.  This could allow them to access cross-origin PDF content. This access is limited to \"same site\" documents by the Site Isolation feature on desktop clients, but full cross-origin access is possible on Android versions. This vulnerability affects Firefox < 131, Firefox ESR < 128.3, Firefox ESR < 115.16, Thunderbird < 128.3, and Thunderbird < 131.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-346"],"references":["https://bugzilla.mozilla.org/show_bug.cgi?id=1918301","https://www.mozilla.org/security/advisories/mfsa2024-46/","https://www.mozilla.org/security/advisories/mfsa2024-47/","https://www.mozilla.org/security/advisories/mfsa2024-48/","https://www.mozilla.org/security/advisories/mfsa2024-49/"],"products":["mozilla:firefox","mozilla:firefox_esr","mozilla:thunderbird"],"source":"nvd","synced_at":"2026-10-19T21:55:31.737901711+00:00"},"epss":{"cve":"CVE-2024-9393","score":0.00397,"percentile":0.33966,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}