CVE-2017-7799

Name: CVE-2017-7799
Creator: NVD / NIST
Published: 2018-06-11T21:29:09.733+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.41%

Last modified Jun 17, 2026

CVE-2017-7799 is a vulnerability of currently unknown severity. 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. EPSS estimates a 1.41% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.41%

69.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 55.0

References

http://www.securityfocus.com/bid/100377Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039124Third Party Advisory, VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1372509Exploit, Issue Tracking, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-18/Vendor Advisory
http://www.securityfocus.com/bid/100377Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039124Third Party Advisory, VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1372509Exploit, Issue Tracking, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-18/Vendor Advisory

Timeline

Published: Jun 11, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-7799?

How severe is CVE-2017-7799?

Severity scoring for CVE-2017-7799 is pending analysis. The EPSS model estimates a 1.41% probability of exploitation in the next 30 days.

How do I fix CVE-2017-7799?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-7799?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST