CVE-2017-7762

HIGH 7.5CVE-2017-7762 · Published 11/06/2018 · updated 17/06/2026

In short

CVE-2017-7762 is a HIGH (CVSS 7.5) vulnerability affecting firefox (mozilla).
Chance of exploitation in the next 30 days (EPSS): 1.9%, higher than 79.6% of all vulnerabilities.
Fix: update to 54.0 or later.

Package	Affected versions	Patched versions
firefox mozilla	`< 54.0`	`54.0`

Description

When entered directly, Reader Mode did not strip the username and password section of URLs displayed in the addressbar. This can be used for spoofing the domain of the current page. This vulnerability affects Firefox < 54.

References

securityfocus.com/bid/99047 · Third Party Advisory
securitytracker.com/id/1038689 · Third Party Advisory
access.redhat.com/errata/RHSA-2018:2112 · Third Party Advisory
access.redhat.com/errata/RHSA-2018:2113 · Third Party Advisory
bugzilla.mozilla.org/show_bug.cgi · Exploit
mozilla.org/security/advisories/mfsa2017-15 · Vendor Advisory

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Package

Affected versions

Patched versions

firefox

mozilla

< 54.0

54.0

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