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Description

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 Firefox running on other operating systems. This vulnerability affects Firefox < 144, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.

PUBLISHED Reserved 2025-10-13 | Published 2025-10-14 | Updated 2025-10-14 | Assigner mozilla

Problem types

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

Product status

Any version before 144
affected

Any version before 140.4
affected

Any version before 144
affected

Any version before 140.4
affected

Credits

Hafiizh

References

bugzilla.mozilla.org/show_bug.cgi?id=1986142

www.mozilla.org/security/advisories/mfsa2025-81/

www.mozilla.org/security/advisories/mfsa2025-83/

www.mozilla.org/security/advisories/mfsa2025-84/

www.mozilla.org/security/advisories/mfsa2025-85/

cve.org (CVE-2025-11713)

nvd.nist.gov (CVE-2025-11713)

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