CVE-2017-7799

MEDIUM

Firefox < 55.0 - Cross-Site Scripting via about:webrtc Page

Title source: llm

Description

JavaScript in the "about:webrtc" page is not sanitized properly being assigned to "innerHTML". Data on this page is supplied by WebRTC usage and is not under third-party control, making this difficult to exploit, but the vulnerability could possibly be used for a cross-site scripting (XSS) attack. This vulnerability affects Firefox < 55.

References (4)

Core 4

Core References

Vendor Advisory x_refsource_confirm

https://www.mozilla.org/security/advisories/mfsa2017-18/

Exploit, Issue Tracking, Vendor Advisory x_refsource_confirm

https://bugzilla.mozilla.org/show_bug.cgi?id=1372509

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/100377

Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack

http://www.securitytracker.com/id/1039124

Scores

CVSS v3 6.1

EPSS 0.0050

EPSS Percentile 66.0%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE

CWE-79

Status published

Products (1)

mozilla/firefox < 55.0

Published Jun 11, 2018

Tracked Since Feb 18, 2026