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4.3 Medium

CVE-2025-1935 A web page could trick a user into setting that site as the default handler for a custom URL protocol

Description

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.

Affected products and versions

Product Affected versions Fixed in
Firefox 136 earliest → < 136 136
Firefox 128.8 earliest → < 128.8 128.8
Firefox ESR 128.8 earliest → < 128.8 128.8
Thunderbird 136 earliest → < 136 136
Thunderbird 128.8 earliest → < 128.8 128.8

References

Timeline

  1. Published
  2. Last modified

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