Vulnerability identifier: #VU49022
Vulnerability risk: Medium
Exploitation vector: Network
Exploit availability: No
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to the proxy.onRequest API does not use proxy when viewing source code of the web application. A remote attacker, who controls the web server can obtain user's real IP address, if the user decides to view the web application source code while behind a proxy server.
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Vulnerable software versions
Mozilla Firefox: 60.0 - 83.0
Firefox ESR: 78.0 - 78.5.0, 68.0 - 68.12.0, 60.0 - 60.9.0
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?