CVE-2018-12397

Summary

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.

Affected Software

VendorProductVersion RangeStatus
MozillaFirefox ESRunspecified < 60.3affected
MozillaFirefoxunspecified < 63affected

Weaknesses

  • Missing warning prompt when WebExtension requests local file access

ADP Enrichment

CVE Program Container

Additional References

References