Cyber Resilience

CVE-2025-5264

Medium

Published: 27 May 2025

Published
27 May 2025
Modified
13 April 2026
KEV Added
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Patch
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CVSS Score v3.1 4.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
EPSS Score 0.0013 32.6th percentile
Risk Priority 10 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-5264 is a medium-severity Command Injection (CWE-77) vulnerability in Mozilla Firefox. Its CVSS base score is 4.8 (Medium).

Operationally, ranked at the 32.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Due to insufficient escaping of the newline character 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 vulnerability was fixed in Firefox…

more

139, Firefox ESR 115.24, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11.

CWE(s)
CWE-77

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

mozilla
firefox
≤ 115.24.0 · ≤ 139.0 · 116.0 — 128.11.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References