CVE-2023-25734

HIGH

Firefox < 110.0 and Firefox ESR < 102.8 - URL Redirection to Untrusted Site via Windows .url Shortcut

Title source: llm
STIX 2.1

Description

After downloading a Windows <code>.url</code> shortcut from the local filesystem, an attacker could supply a remote path that would lead to unexpected network requests from the operating system. This also had the potential to leak NTLM credentials to the resource.<br>*This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.

Scores

CVSS v3 8.1
EPSS 0.0018
EPSS Percentile 39.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-601
Status published
Products (3)
mozilla/firefox < 110.0
mozilla/firefox_esr < 102.8
mozilla/thunderbird < 102.8
Published Jun 02, 2023
Tracked Since Feb 18, 2026