CVE-2017-5458

Public Exploit

Description

When a "javascript:" URL is drag and dropped by a user into the addressbar, the URL will be processed and executed. This allows for users to be socially engineered to execute an XSS attack on themselves. This vulnerability affects Firefox < 53.

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.73% Top 30%
Vendor Advisory mozilla.org
Affected: Mozilla Firefox
Published at:
Updated at:

References

Link Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=1229426 issue tracking exploit
https://www.mozilla.org/security/advisories/mfsa2017-10/ vendor advisory
http://www.securityfocus.com/bid/97940 vdb entry third party advisory
http://www.securitytracker.com/id/1038320 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-5458?
CVE-2017-5458 has been scored as a medium severity vulnerability.
How to fix CVE-2017-5458?
To fix CVE-2017-5458, 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-2017-5458 being actively exploited in the wild?
It is possible that CVE-2017-5458 is being exploited or will be exploited in a near future based on public information. 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-2017-5458?
CVE-2017-5458 affects Mozilla Firefox.
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