Vulnerability Monitor

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CVE-2025-1935

A web page could trick a user into setting that site as the default handler for a custom URL protocol. This vulnerability affects Firefox < 136, Firefox ESR < 128.8, Thunderbird < 136, and Thunderbird < 128.8.

Published

2025-03-04T14:15:38.390

Last Modified

2025-04-03T13:30:01.180

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 4.3 (MEDIUM)

Weaknesses

Type: Secondary
CWE-79

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mozilla	firefox	< 128.8.0	Yes
Application	mozilla	firefox	< 136.0	Yes
Application	mozilla	thunderbird	< 128.8.0	Yes
Application	mozilla	thunderbird	< 136.0	Yes

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1866661 Issue Tracking ([email protected])
https://www.mozilla.org/security/advisories/mfsa2025-14/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2025-16/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2025-17/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2025-18/ Vendor Advisory ([email protected])