CVE-2023-25734: firefox before 110.0 (exclusive); +5 more affected products

CVE-2023-25734. CVSS 3.1 base score 8.1 (HIGH, NVD). EPSS 0.00775 (percentile 0.5529), scored 22-Oct-2026.

Affected technology

firefox · before 110.0 (exclusive)
mozilla

firefox esr · before 102.8 (exclusive)
mozilla

thunderbird · before 102.8 (exclusive)
mozilla

Firefox · unspecified to before 110
Mozilla

Thunderbird · unspecified to before 102.8
Mozilla

Firefox ESR · unspecified to before 102.8
Mozilla

Component: Not specified by the source

Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · User interaction required

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · User interaction required

What an attacker can do

The source says after downloading a Windows .url shortcut from the local filesystem, an attacker could supply a remote path that would lead to unexpected network requests from the operating system. NVD’s CVSS 3.1 assessment (base score 8.1/10) rates confidentiality and integrity impact as high; availability impact as none. Source advisory’s CVSS 3.1 assessment (base score 8.1/10) rates confidentiality and integrity impact as high; availability impact as none.

Published 24-Oct-2026 15:08 UTC

CWE: CWE-601
CCR priority: 32.6 /100 (P4)
CVSS 3.1: 8.1 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N · NVD
EPSS: 0.00775 · percentile 0.55354 · 2026-10-24
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-24 15:09:16.138216+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-24 15:07:27.951960+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2023-25734.html