CVE-2011-3656

MediumCVSS 6.1/10Last modified Jun 16, 2026

Description

Cross-site scripting (XSS) vulnerability in Mozilla Firefox before 3.6.24 and 4.x through 7 allows remote attackers to inject arbitrary web script or HTML via vectors involving HTTP 0.9 errors, non-default ports, and content-sniffing.

Metrics

CVSS 3.1 6.1/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://bugzilla.mozilla.org/show_bug.cgi?id=667907Issue Tracking, Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=667907Issue Tracking, Vendor Advisory

Timeline

Published: Jun 2, 2021
Last modified: Jun 16, 2026
NVD status: Modified

Related CVEs from 2011

CVE-2011-36574.3Multiple cross-site scripting (XSS) vulnerabilities in Bugzilla 2.x and 3.x before 3.4.13, 3.5.x and 3.6.x before 3.6.7, 3.7.x and 4.0.x bef CVE-2011-36587.5The SVG implementation in Mozilla Firefox 8.0, Thunderbird 8.0, and SeaMonkey 2.5 does not properly interact with DOMAttrModified event hand CVE-2011-36599.3Use-after-free vulnerability in Mozilla Firefox before 3.6.26 and 4.x through 9.0, Thunderbird before 3.1.18 and 5.0 through 9.0, and SeaMon CVE-2011-366010.0Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 4.x through 8.0, Thunderbird 5.0 through 8.0, and SeaMonkey be CVE-2011-36617.5YARR, as used in Mozilla Firefox 4.x through 8.0, Thunderbird 5.0 through 8.0, and SeaMonkey before 2.6, allows remote attackers to cause a CVE-2011-36634.3Mozilla Firefox 4.x through 8.0, Thunderbird 5.0 through 8.0, and SeaMonkey before 2.6 allow remote attackers to capture keystrokes entered CVE-2011-36646.8Mozilla Firefox before 9.0, Thunderbird before 9.0, and SeaMonkey before 2.6 on Mac OS X do not properly handle certain DOM frame deletions CVE-2011-36657.5Mozilla Firefox 4.x through 8.0, Thunderbird 5.0 through 8.0, and SeaMonkey before 2.6 allow remote attackers to cause a denial of service (CVE-2011-36666.8Mozilla Firefox before 3.6.25 and Thunderbird before 3.1.17 on Mac OS X do not consider .jar files to be executable files, which allows user CVE-2011-36676.8The User.offer_account_by_email WebService method in Bugzilla 2.x and 3.x before 3.4.13, 3.5.x and 3.6.x before 3.6.7, 3.7.x and 4.0.x befor CVE-2011-36686.8Cross-site request forgery (CSRF) vulnerability in post_bug.cgi in Bugzilla 2.x, 3.x, and 4.x before 4.2rc1 allows remote attackers to hijac CVE-2011-36696.8Cross-site request forgery (CSRF) vulnerability in attachment.cgi in Bugzilla 2.x, 3.x, and 4.x before 4.2rc1 allows remote attackers to hij