CVE-2018-12381

Severity: medium (CVSS 5.3 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-10-18 · updated 2026-06-17
Weakness: CWE-610

Description

Manually dragging and dropping an Outlook email message into the browser will trigger a page navigation when the message's mail columns are incorrectly interpreted as a URL. *Note: this issue only affects Windows operating systems with Outlook installed. Other operating systems are not affected.*. This vulnerability affects Firefox ESR < 60.2 and Firefox < 62.

Affected products

Mozilla Firefox: before 60.2.0; before 62.0 — fixed in 60.2.0, 62.0

How to fix

Upgrade to a fixed version: Mozilla Firefox 60.2.0, 62.0. Check the vendor advisory for mitigations.

References

http://www.securityfocus.com/bid/105280
http://www.securitytracker.com/id/1041610
https://bugzilla.mozilla.org/show_bug.cgi?id=1435319
https://security.gentoo.org/glsa/201810-01
https://www.mozilla.org/security/advisories/mfsa2018-20/
https://www.mozilla.org/security/advisories/mfsa2018-21/
http://www.securityfocus.com/bid/105280
http://www.securitytracker.com/id/1041610
https://bugzilla.mozilla.org/show_bug.cgi?id=1435319
https://security.gentoo.org/glsa/201810-01
https://www.mozilla.org/security/advisories/mfsa2018-20/
https://www.mozilla.org/security/advisories/mfsa2018-21/

Get alerted when CVE-2018-12381 or the next vulnerability affects your stack