BaseFortify

Publication date: 2025-10-14

Last updated on: 2026-04-13

Assigner: Mozilla Corporation

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 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 Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2025-10-14

Last Modified

2026-04-13

Generated

2026-07-06

AI Q&A

2025-10-14

EPSS Evaluated

2026-07-05

NVD

CVE-2025-11713

Affected Vendors & Products

Vendor	Product	Version / Range
mozilla	thunderbird	to 140.0 (inc)
mozilla	thunderbird	to 140.0 (inc)
mozilla	firefox	From 60.9.0 (exc)
mozilla	firefox	From 60.9.0 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-116	The product prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved.

Attack-Flow Graph

Executive Summary

This vulnerability is due to insufficient escaping in the "Copy as cURL" feature in Firefox and Thunderbird on Windows. It could trick a user into executing unexpected code, potentially leading to unintended code execution. It affects Firefox versions below 144 and Thunderbird versions below 144, specifically on Windows.

Impact Analysis

The vulnerability can lead to execution of unexpected code on a Windows system if a user is tricked via the "Copy as cURL" feature. This could result in unauthorized actions or compromise of the affected application, potentially allowing attackers to run malicious code.

Mitigation Strategies

To mitigate this vulnerability, update Firefox to version 144 or later, and Thunderbird to version 140.4 or later, as these versions contain the fixes for the insufficient escaping issue in the 'Copy as cURL' feature.

Hi! I’m here to help you understand CVE-2025-11713. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70