CVE Database · CVE-2018-12397
CVSS v3.1
N/A
EPSS
0.37%
Published
Feb 28, 2019
Modified
Nov 25, 2025
Public PoC / Exploit
All weaponized →No public PoC or exploit code indexed for this CVE.
Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
Description
A WebExtension can request access to local files without the warning prompt stating that the extension will "Access your data for all websites" being displayed to the user. This allows extensions to run content scripts in local pages without permission warnings when a local file is opened. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63.
Weaknesses (CWE)
Affected Products (15)
References (20)