High 8.1Published Oct 14, 2025

CVE-2025-11713Potential user-assisted code execution in “Copy as cURL” command

Updated under an hour ago (Oct 26, 2026, 6:00 PM ET)

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It affects Mozilla Firefox and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

Insufficient escaping in the “Copy as cURL” feature could have been used to trick a user into executing unexpected code on Windows. This did not affect the application when running on other operating systems. This vulnerability was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.

CVSS: 8.1 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Weakness (CWE): CWE-116
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: mozilla
NVD analysis: Modified
Record last updated: Apr 13, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Mozilla Firefox mozilla:firefox (from the name)	140.4 builds before 140.* not affected; from 144 not affected	CNA record
Mozilla Thunderbird mozilla:thunderbird (from the name)	140.4 builds before 140.* not affected; from 144 not affected	CNA record
mozilla firefox mozilla:firefox	before 140.4.0; before 144.0	NVD
mozilla thunderbird mozilla:thunderbird	before 140.4.0; from 141.0 before 144.0	NVD

References

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1986142	issue-tracking, permissions-required
https://www.mozilla.org/security/advisories/mfsa2025-81/	vendor-advisory
https://www.mozilla.org/security/advisories/mfsa2025-83/	vendor-advisory
https://www.mozilla.org/security/advisories/mfsa2025-84/	vendor-advisory
https://www.mozilla.org/security/advisories/mfsa2025-85/	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.