What’s Vulnerable › Vulnerabilities

CVE-2010-1206

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2010-06-25 · updated 2026-06-16
• Weakness: CWE-264

Description

The startDocumentLoad function in browser/base/content/browser.js in Mozilla Firefox 3.5.x before 3.5.11 and 3.6.x before 3.6.7, and SeaMonkey before 2.0.6, does not properly implement the Same Origin Policy in certain circumstances related to the about:blank document and a document that is currently loading, which allows (1) remote web servers to conduct spoofing attacks via vectors involving a 204 (aka No Content) status code, and allows (2) remote attackers to conduct spoofing attacks via vectors involving a window.stop call.

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)

References

• http://hg.mozilla.org/mozilla-central/rev/cadddabb1178
• http://lcamtuf.blogspot.com/2010/06/yeah-about-that-address-bar-thing.html
• http://secunia.com/advisories/40283
• http://www.mozilla.org/security/announce/2010/mfsa2010-45.html
• https://bugzilla.mozilla.org/show_bug.cgi?id=556957
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8248
• http://hg.mozilla.org/mozilla-central/rev/cadddabb1178
• http://lcamtuf.blogspot.com/2010/06/yeah-about-that-address-bar-thing.html
• http://secunia.com/advisories/40283
• http://www.mozilla.org/security/announce/2010/mfsa2010-45.html
• https://bugzilla.mozilla.org/show_bug.cgi?id=556957
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8248

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