Mozilla Firefox Vulnerability Allows Cross-Origin JavaScript Execution

CVE-2024-9394
7.5HIGH

Key Information

Vendor
Mozilla
Status
Firefox
Firefox Esr
Thunderbird
Vendor
CVE Published:
1 October 2024

Summary

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.

Affected Version(s)

Firefox < 131

Firefox ESR < 128.3

Firefox ESR < 115.16

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability Reserved.

  • Vulnerability published.

Collectors

NVD DatabaseMitre Database

Credit

Masato Kinugawa
.