CVE-2025-5265
Medium
Description
Due to insufficient escaping of the ampersand character in the “Copy as cURL” feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. *This bug only affects Firefox for Windows. Other versions of Firefox are unaffected.*. This vulnerability was fixed in Firefox 139, Firefox ESR 115.24, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11.
SeverityMedium
CVSS4.8
Exploit probability—
Product
Mozilla Firefox
PublishedMay 27, 2025
First seenMay 27, 2025
Weakness typeCWE-77Command injection
How to fix
Update
- mozilla firefox115.24.0, 139.0, 128.11.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 115.24.0, v < 139.0, 116.0 ≤ v < 128.11.0 | 115.24.0, 139.0, 128.11.0 |
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