Clickjacking Vulnerability in Mozilla Firefox, Thunderbird, and SeaMonkey

CVE-2012-1964 · MEDIUM Severity

AV:N/AC:H/AU:N/C:P/I:P/A:N

The certificate-warning functionality in browser/components/certerror/content/aboutCertError.xhtml in Mozilla Firefox 4.x through 12.0, Firefox ESR 10.x before 10.0.6, Thunderbird 5.0 through 12.0, Thunderbird ESR 10.x before 10.0.6, and SeaMonkey before 2.10 does not properly handle attempted clickjacking of the about:certerror page, which allows man-in-the-middle attackers to trick users into adding an unintended exception via an IFRAME element.

Learn more about our Cis Benchmark Audit For Mozilla Firefox.