CVE-2025-4084CWE-116

CVE-2025-4084

Medium · published April 29, 2025

CVSS v3.1

5.7

EPSS

Percentile

37.0

In the wild

Unconfirmed

What it is

Due to insufficient escaping of the special characters in the "copy as cURL" feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system.

*This bug only affects Firefox for Windows. Other versions of Firefox are unaffected.*. This vulnerability was fixed in Firefox ESR 128.10, Firefox ESR 115.23, and Thunderbird 128.10.

The record

Technical detail

CVSS v3.1: 5.7 · MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
CVSS v4.0: Not supplied
EPSS: 0.00438 · 37.0th percentile
Weakness: CWE-116 · Improper Encoding or Escaping of Output
Published: 2025-04-29T18:15Z

Affected products (3)

Product	Versions	Fixed in
mozilla/firefox	< 115.23	115.23
mozilla/firefox	≥ 128.0, < 128.10	128.10
mozilla/thunderbird	< 128.10.0	128.10.0

References (5)

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1949994%2C1956698%2C1960198 · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-29/ · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-30/ · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-32/ · [email protected]https://lists.debian.org/debian-lts-announce/2025/05/msg00022.html · af854a3a-2127-422b-91ae-364da2661108

EPSS history

Timeline

29 APR 13:13Z
Potential local code execution in "copy as cURL" command
cvelistv5