A mechanism to spoof the addressbar through the user interaction on the addressbar and the "onblur" event. The event could be used by script to affect text display to make the loaded site appear to be different from the one actually loaded within the addressbar. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.

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Advisories
Source ID Title
EUVD EUVD EUVD-2017-14555 A mechanism to spoof the addressbar through the user interaction on the addressbar and the "onblur" event. The event could be used by script to affect text display to make the loaded site appear to be different from the one actually loaded within the addressbar. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.
Ubuntu USN Ubuntu USN USN-3260-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-3278-1 Thunderbird vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 25 Nov 2025 18:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
Vendors & Products Mozilla firefox Esr

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-05T15:04:14.698Z

Reserved: 2017-01-13T00:00:00

Link: CVE-2017-5451

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-06-11T21:29:06.607

Modified: 2025-11-25T17:50:16.803

Link: CVE-2017-5451

cve-icon Redhat

Severity : Moderate

Publid Date: 2017-04-19T00:00:00Z

Links: CVE-2017-5451 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses