Mozilla Firefox before 42.0 and Firefox ESR 38.x before 38.4 allow remote attackers to bypass the Same Origin Policy for an IP address origin, and conduct cross-site scripting (XSS) attacks, by appending whitespace characters to an IP address string.
| Software | From | Fixed in |
|---|---|---|
| mozilla / firefox | - | 41.0.2.x |
| mozilla / firefox | 38.0 | 38.0.x |
| mozilla / firefox | 38.0.1 | 38.0.1.x |
| mozilla / firefox | 38.0.5 | 38.0.5.x |
| mozilla / firefox | 38.1.0 | 38.1.0.x |
| mozilla / firefox | 38.1.1 | 38.1.1.x |
| mozilla / firefox | 38.2.0 | 38.2.0.x |
| mozilla / firefox | 38.2.1 | 38.2.1.x |
| mozilla / firefox | 38.3.0 | 38.3.0.x |