CVE-2024-9394: An attacker could, via a specially crafted multipart response, execute arbitrary JavaScript under the `resource://devtools` origin. This could...
Description
An attacker could, via a specially crafted multipart response, execute arbitrary JavaScript under the `resource://devtools` origin. This could allow them to access cross-origin JSON 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.
Classification
CVE ID: CVE-2024-9394
Problem Types
Cross-origin access to JSON contents through multipart responsesAffected Products
Vendor: Mozilla, Mozilla, Mozilla, Mozilla, Mozilla
Product: Firefox, Firefox ESR, Firefox ESR, Thunderbird, Thunderbird
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.07% (probability of being exploited)
EPSS Percentile: 17.69% (scored less or equal to compared to others)
EPSS Date: 2025-04-12 (when was this score calculated)
Stakeholder-Specific Vulnerability Categorization (SSVC)
SSVC Exploitation: none
SSVC Technical Impact: partial
SSVC Automatable: false
References
https://nvd.nist.gov/vuln/detail/CVE-2024-9394https://bugzilla.mozilla.org/show_bug.cgi?id=1918874
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/
https://www.mozilla.org/security/advisories/mfsa2024-50/