Vulnerability Description
A "javascript:" url loaded by a malicious page can obfuscate its location by blanking the URL displayed in the addressbar, allowing for an attacker to spoof an existing page without the malicious page's address being displayed correctly. This vulnerability affects Firefox < 52.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 52.0 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/96692Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1037966Third Party AdvisoryVDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1284395ExploitIssue TrackingPatch
- https://www.mozilla.org/security/advisories/mfsa2017-05/Vendor Advisory
- http://www.securityfocus.com/bid/96692Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1037966Third Party AdvisoryVDB Entry
- https://bugzilla.mozilla.org/show_bug.cgi?id=1284395ExploitIssue TrackingPatch
- https://www.mozilla.org/security/advisories/mfsa2017-05/Vendor Advisory
FAQ
What is CVE-2017-5420?
CVE-2017-5420 is a vulnerability with a CVSS score of 6.5 (MEDIUM). A "javascript:" url loaded by a malicious page can obfuscate its location by blanking the URL displayed in the addressbar, allowing for an attacker to spoof an existing page without the malicious page...
How severe is CVE-2017-5420?
CVE-2017-5420 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-5420?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox.