Record summary

CVE-2022-4055 has a selected CVSS score of 7.4 (high).

Description

When xdg-mail is configured to use thunderbird for mailto URLs, improper parsing of the URL can lead to additional headers being passed to thunderbird that should not be included per RFC 2368. An attacker can use this method to create a mailto URL that looks safe to users, but will actually attach files when clicked.

Description source: CVE List

Exploitation context

CISA SSVC decision

ExploitationPoC
AutomatableNo
Technical impactPartial

CISA Coordinator · SSVC 2.0.3 · Evaluated Apr 29, 2025 · Source: CVE List

Affected products and versions

1
ProductSourceVersion rangeStatus

xdg-utils

CVE Listxdg-utils 1.1.0 to and including 1.1.3affected

References

2