What is CVE-2018-12382?

CVE-2018-12382 is a medium-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2018-10-18.

How severe is CVE-2018-12382?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Improper input validation in Google Android

CVE-2018-12382

The displayed addressbar URL can be spoofed on Firefox for Android using a javascript: URI in concert with JavaScript to insert text before the loaded domain name, scrolling the loaded domain out of view to the right. This can lead to user confusion. *This vulnerability only affects Firefox for Android < 62.*

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2018-10-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.017 (76.1th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

Google Android
Mozilla Firefox — versions unspecified, 62.0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.mozilla.org/security/advisories/mfsa2018-20/ (Vendor Advisory)
www.securitytracker.com/id/1041610 (VDB Entry, Third Party Advisory, vdb-entry)
www.securityfocus.com/bid/105276 (VDB Entry, Third Party Advisory, vdb-entry)
bugzilla.mozilla.org/show_bug.cgi (Exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2018-12382?: CVE-2018-12382 is a medium-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2018-10-18.
How severe is CVE-2018-12382?: Medium severity. CVSS v3 base score is 5.3 out of 10.