What’s Vulnerable › Vulnerabilities

CVE-2015-7184

• Severity: medium (CVSS 6.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2015-10-18 · updated 2026-06-17
• Weakness: CWE-284

Description

The fetch API implementation in Mozilla Firefox before 41.0.2 does not restrict access to the HTTP response body in certain situations where user credentials are supplied but the CORS cross-origin request algorithm is improperly followed, which allows remote attackers to bypass the Same Origin Policy via a crafted web site.

Affected products

• Mozilla Firefox: through 41.0.1

References

• http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00021.html
• http://www.mozilla.org/security/announce/2015/mfsa2015-115.html
• http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
• http://www.securityfocus.com/bid/77100
• http://www.securitytracker.com/id/1033820
• http://www.ubuntu.com/usn/USN-2768-1
• https://bugzilla.mozilla.org/show_bug.cgi?id=1208339
• https://bugzilla.mozilla.org/show_bug.cgi?id=1212669
• http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00021.html
• http://www.mozilla.org/security/announce/2015/mfsa2015-115.html
• http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
• http://www.securityfocus.com/bid/77100

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