1. Home
  2. Vulnerabilities
  3. CVE-2021-43540

CVE-2021-43540

CVSS v3.1 6.5 (Medium)
65% Progress
CVSS v2.0 4.3 (Medium)
43% Progress
EPSS 0.11 % (45th)
0.11% Progress
Affected Products 1
Advisories 5
Info CVSS EPSS Affected Configurations References Security Advisories Packages & Software OVAL Tools, Exploits & PoC Graph Web & Social Timeline

WebExtensions with the correct permissions were able to create and install ServiceWorkers for third-party websites that would not have been uninstalled with the extension. This vulnerability affects Firefox < 95.

Weaknesses
CWE-NVD-noinfo
CVE Status
PUBLISHED
CNA
Mozilla Corporation
Published Date
2021-12-08 22:15:09
(2 years ago)
Updated Date
2022-07-12 17:42:04
(2 years ago)

Affected Products

Mozilla

Configuration #1

    CPE23 From Up To
  Mozilla Firefox prior 95.0 version cpe:2.3:a:mozilla:firefox < 95.0