What’s Vulnerable › Vulnerabilities

CVE-2010-0654

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2010-02-18 · updated 2026-06-16
• Weakness: CWE-200

Description

Mozilla Firefox 3.5.x before 3.5.11 and 3.6.x before 3.6.7, Thunderbird 3.0.x before 3.0.6 and 3.1.x before 3.1.1, and SeaMonkey before 2.0.6 permit cross-origin loading of CSS stylesheets even when the stylesheet download has an incorrect MIME type and the stylesheet document is malformed, which allows remote attackers to obtain sensitive information via a crafted document.

Affected products

• Mozilla Firefox: 3.5.1, 3.5.2, 3.5.3, 3.5.4, 3.5.5, 3.5.6 (+8)
• Mozilla Seamonkey: through 2.0.5; 1.0, 1.0-alpha, 1.0-beta, 1.0.1, 1.0.2, 1.0.3 (+44)
• Mozilla Thunderbird: 3.0.1, 3.0.2, 3.0.3, 3.0.4, 3.0.5, 3.1

References

• http://code.google.com/p/chromium/issues/detail?id=9877
• http://scarybeastsecurity.blogspot.com/2009/12/generic-cross-browser-cross-domain.html
• http://websec.sv.cmu.edu/css/css.pdf
• http://www.mozilla.org/security/announce/2010/mfsa2010-46.html
• https://bugzilla.mozilla.org/show_bug.cgi?id=524223
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11811
• http://code.google.com/p/chromium/issues/detail?id=9877
• http://scarybeastsecurity.blogspot.com/2009/12/generic-cross-browser-cross-domain.html
• http://websec.sv.cmu.edu/css/css.pdf
• http://www.mozilla.org/security/announce/2010/mfsa2010-46.html
• https://bugzilla.mozilla.org/show_bug.cgi?id=524223
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11811

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