Security Advisory
CVE-2021-43528
6.5
MEDIUM
Vulnerability Description
Thunderbird unexpectedly enabled JavaScript in the composition area. The JavaScript execution context was limited to this area and did not receive chrome-level privileges, but could be used as a stepping stone to further an attack with other vulnerabilities. This vulnerability affects Thunderbird < 91.4.0.
Published Date
December 8, 2021
Official Source
NIST NVD Advisory