CVE-2018-18497

Description

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 vulnerability affects Firefox < 64.

References

http://www.securityfocus.com/bid/106167

https://bugzilla.mozilla.org/show_bug.cgi?id=1488180

https://usn.ubuntu.com/3844-1/

https://www.mozilla.org/security/advisories/mfsa2018-29/

Details

Risk Information

CVSS v2

CVSS v3