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CVE-2023-4579 - Firefox

Zitat

Search queries in the default search engine could appear to have been the currently navigated URL if the search query itself was a well formed URL. This could have led to a site spoofing another if it had been maliciously set as the default search engine. This vulnerability affects Firefox < 117.

References
https://bugzilla.mozilla.org/show_bug.cgi?id=1842766
https://www.mozilla.org/security/advisories/mfsa2023-34/