CVE-2025-13018: firefox before 140.5.0 (exclusive), before 145.0 (exclusive)

CVE-2025-13018. CVSS 3.1 base score 8.1 (HIGH, Source advisory). EPSS 0.00275 (percentile 0.18658), scored 17-Oct-2026.

Affected technology

firefox · before 140.5.0 (exclusive)
mozilla

firefox · before 145.0 (exclusive)
mozilla

Component: Not specified by the source

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

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 8.1/10) rates confidentiality and integrity impact as high; availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 18-Oct-2026 22:52 UTC

CWE: CWE-288
CCR priority: 32.5 /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 · Source advisory
EPSS: 0.00275 · percentile 0.18658 · 2026-10-17
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-18 22:50:08.248207+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-13018.html