CVE-2018-5176

Description

The JSON Viewer displays clickable hyperlinks for strings that are parseable as URLs, including "javascript:" links. If a JSON file contains malicious JavaScript script embedded as "javascript:" links, users may be tricked into clicking and running this code in the context of the JSON Viewer. This can allow for the theft of cookies and authorization tokens which are accessible to that context. This vulnerability affects Firefox < 60.

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.52%
Vendor Advisory ubuntu.com Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Firefox
Published at:
Updated at:

References

Link Tags
https://www.mozilla.org/security/advisories/mfsa2018-11/ vendor advisory
http://www.securitytracker.com/id/1040896 vdb entry third party advisory
https://usn.ubuntu.com/3645-1/ third party advisory vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1442840 issue tracking permissions required vendor advisory
http://www.securityfocus.com/bid/104139 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-5176?
CVE-2018-5176 has been scored as a medium severity vulnerability.
How to fix CVE-2018-5176?
To fix CVE-2018-5176, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-5176 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-5176 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-5176?
CVE-2018-5176 affects Mozilla Firefox.
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