When copying a network request from the developer tools panel as a curl command the output was not being properly sanitized and could allow arbitrary commands to be hidden within. This vulnerability affects Firefox < 109, Thunderbird < 102.7, and Firefox ESR < 102.7.
https://www.mozilla.org/security/advisories/mfsa2023-03/
https://www.mozilla.org/security/advisories/mfsa2023-02/