The vulnerability of the Firefox browser, which allows a hacker to execute cross-site scripting attacks

The vulnerability of the nsCSPHostSrc::permits function in Firefox exists due to the lack of measures taken to protect web page structures. Exploiting this vulnerability allows a malicious actor to inject arbitrary HTML code remotely...

CVE-2015-4490

The nsCSPHostSrc::permits function in dom/security/nsCSPUtils.cpp in Mozilla Firefox before 40.0 does not implement the Content Security Policy Level 2 exceptions for the blob, data, and filesystem URL schemes during wildcard source-expression matching, which might make it easier for remote...