CVE-2025-1935Medium· 4.3▾ SunlitA web page could trick a user into setting that site as the default handler for a custom URL protocol. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.
▾ Sunlit zone — Low / medium · no exploitation signal
impact 23.7 · likelihood 0.1 · exploitation 0
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Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.3%
A web page could trick a user into setting that site as the default handler for a custom URL protocol. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.
firefox < 128.8.0firefox < 136.0thunderbird < 128.8.0thunderbird >= 129.0, < 136.0Upgrade past the affected range:
firefox 136.0thunderbird 136.0Connected by shared product, vendor, weakness, or advisory.
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