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CVE-2018-18497

CVE-2018-18497

EPSS 1.4%
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.
Affected products
Mozilla · Firefox

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References
https://bugzilla.mozilla.org/show_bug.cgi?id=1488180https://usn.ubuntu.com/3844-1/https://www.mozilla.org/security/advisories/mfsa2018-29/http://www.securityfocus.com/bid/106167