cvedb.io
CVE-2018-12396
MEDIUM · CVSS 6.5
EPSS exploitation probability: 0%
Published 2019-02-28T18:29:00.807 · Last modified 2026-06-17T01:37:42.377

Summary

A vulnerability where a WebExtension can run content scripts in disallowed contexts following navigation or other events. This allows for potential privilege escalation by the WebExtension on sites where content scripts should not be run. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63.

Affected products

mozilla — firefox

Does this affect you?

Add your gear to cvedb and we'll alert you only when mozilla ships something exploited.

Check my exposure →

References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.