Skip to content
Sign in
7.7 High

CVE-2025-3033 After selecting a malicious Windows `.url` shortcut from the local filesystem, an unexpected file could be uploaded

Description

After selecting a malicious Windows `.url` shortcut from the local filesystem, an unexpected file could be uploaded. *This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability was fixed in Firefox 137 and Thunderbird 137.

Affected products and versions

Product Affected versions Fixed in
Firefox 137 earliest → < 137 137
Thunderbird 137 earliest → < 137 137

Other CVEs of Firefox

The 2221 CVEs of Firefox →
CVE-2026-120572 Incorrect boundary conditions in the Layout: Block and Inline component 8.8 High CVE-2026-118027 Frame poisoning in the Layout component 9.1 Critical CVE-2026-118025 Other issue in the SVG component 8.8 High CVE-2026-118024 Use-after-free in the Graphics: Text component 8.8 High
Track this CVE