CVE-2025-11713
Published: 14 October 2025
Summary
CVE-2025-11713 is a high-severity Improper Encoding or Escaping of Output (CWE-116) vulnerability in Mozilla Firefox. Its CVSS base score is 8.1 (High).
Operationally, ranked at the 12.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-34201
Vulnerability details
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…
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144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Validating that output matches expected content directly mitigates failures to properly encode or escape data for its destination context.