CVE-2017-5450

Name: CVE-2017-5450
Creator: NVD / NIST
Published: 2018-06-11T21:29:06.56+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.86%

Last modified Jun 17, 2026

CVE-2017-5450 is a vulnerability of currently unknown severity. A mechanism to spoof the Firefox for Android addressbar using a "javascript:" URI. On Firefox for Android, the base domain is parsed incorrectly, making the resulting location less visibly a spoofed site and showing an incorrect domain in appended notifications. EPSS estimates a 1.86% chance of exploitation in the next 30 days.

Description

A mechanism to spoof the Firefox for Android addressbar using a "javascript:" URI. On Firefox for Android, the base domain is parsed incorrectly, making the resulting location less visibly a spoofed site and showing an incorrect domain in appended notifications. This vulnerability affects Firefox < 53.

Metrics

EPSS Probability

1.86%

76.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 53.0

References

http://www.securityfocus.com/bid/97940Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038320Third Party Advisory, VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1325955Exploit, Issue Tracking
https://www.mozilla.org/security/advisories/mfsa2017-10/Vendor Advisory
http://www.securityfocus.com/bid/97940Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038320Third Party Advisory, VDB Entry
https://bugzilla.mozilla.org/show_bug.cgi?id=1325955Exploit, Issue Tracking
https://www.mozilla.org/security/advisories/mfsa2017-10/Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2017-5450?

How severe is CVE-2017-5450?

Severity scoring for CVE-2017-5450 is pending analysis. The EPSS model estimates a 1.86% probability of exploitation in the next 30 days.

How do I fix CVE-2017-5450?

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-2017-5450?

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

Scan your code now

Source: NVD / NIST