4.8
Medium
CVE-2025-5265 Due to insufficient escaping of the ampersand character in the “Copy as cURL” feature, an attacker could trick a user…
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 139 | earliest → < 139 | 139 |
| Firefox 128.11 | earliest → < 128.11 | 128.11 |
| Firefox 115.24 | earliest → < 115.24 | 115.24 |
| Firefox ESR 128.11 | earliest → < 128.11 | 128.11 |
| Thunderbird 139 | earliest → < 139 | 139 |
| Thunderbird 128.11 | earliest → < 128.11 | 128.11 |
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