High 8.1Published Oct 14, 2025

CVE-2025-11713Insufficient escaping in the “Copy as cURL” feature could have been used to trick a user into executing unexpected code on Windows.

Updated under an hour ago (2026-10-19 07:00 UTC)

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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, NVD)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: Not given
NVD analysis: Modified
Record last updated: Oct 18, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

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

https://bugzilla.mozilla.org/show_bug.cgi?id=1986142issue-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.