Improper Restriction of Rendered UI Layers or Frames Affecting Firefox-ESR package, versions [,115.6)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Not Defined
EPSS
0.2% (58th percentile)

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  • Snyk IDSNYK-UNMANAGED-FIREFOXESR-6133212
  • published20 Dec 2023
  • disclosed19 Dec 2023
  • creditHafiizh

Introduced: 19 Dec 2023

CVE-2023-6867  (opens in a new tab)
CWE-1021  (opens in a new tab)

How to fix?

Upgrade Firefox-ESR to version 115.6 or higher.

Overview

Affected versions of this package are vulnerable to Improper Restriction of Rendered UI Layers or Frames due to a timing issue with the popup transition mechanism. An attacker can trick users into granting unintended permissions by luring them to click where the permission grant button is about to appear.

CVSS Scores

version 3.1