PT-2026-46127

Impact The HTML backend did not perform sufficient validation during resource handling: - Accepted file:// URIs enabling local file system access when enable local fetch=True - Path resolution allowed traversal outside intended directories via ../ sequences and absolute paths - Did not block...

CVE-2018-18497

Limitations on the URIs allowed to WebExtensions by the browser.windows.create API can be bypassed when a pipe in the URL field is used within the extension to load multiple pages as a single argument. This could allow a malicious WebExtension to open privileged about: or file: locations. This...