CVE-2025-5265— Potential local code execution in “Copy as cURL” command
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I. Basic Information for CVE-2025-5265
Vulnerability Information
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Vulnerability Title
Potential local code execution in “Copy as cURL” command
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Mozilla Firefox 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox 139之前版本和Firefox ESR 128.11之前版本存在安全漏洞，该漏洞源于Copy as cURL功能中对&符号转义不足，可能导致本地代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Mozilla | Firefox | 115.24 ~ 115.* | - | |
| Mozilla | Thunderbird | 128.11 ~ 128.* | - |
II. Public POCs for CVE-2025-5265
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Mozilla · 2025-05-27 · 11 CVEs total
| CVE-2025-5272 | Memory safety bugs fixed in Firefox 139 and Thunderbird 139 | |
| CVE-2025-5270 | SNI was sometimes unencrypted | |
| CVE-2025-5271 | Devtools' preview ignored CSP headers | |
| CVE-2025-5269 | Memory safety bug fixed in Firefox ESR 128.11 and Thunderbird 128.11 | |
| CVE-2025-5268 | Memory safety bugs fixed in Firefox 139, Thunderbird 139, Firefox ESR 128.11, and Thunderb | |
| CVE-2025-5267 | Clickjacking vulnerability could have led to leaking saved payment card details | |
| CVE-2025-5266 | Script element events leaked cross-origin resource status | |
| CVE-2025-5264 | Potential local code execution in “Copy as cURL” command | |
| CVE-2025-5263 | Error handling for script execution was incorrectly isolated from web content | |
| CVE-2025-5262 | Mozilla Thunderbird 安全漏洞 |
IV. Related Vulnerabilities
Same product: Firefox
- CVE-2026-8093
Memory safety bugs fixed in Thunderbird 150.0.2 - CVE-2026-8094
Other issue in the WebRTC component - CVE-2026-8092
Memory safety bugs fixed in Thunderbird ESR 140.10.2 and Thu - CVE-2026-8091
Incorrect boundary conditions in the Audio/Video: Playback c - CVE-2026-8090
Use-after-free in the DOM: Networking component
Same vendor: Mozilla
- CVE-2026-8093
Memory safety bugs fixed in Thunderbird 150.0.2 - CVE-2026-8094
Other issue in the WebRTC component - CVE-2026-8092
Memory safety bugs fixed in Thunderbird ESR 140.10.2 and Thu - CVE-2026-8091
Incorrect boundary conditions in the Audio/Video: Playback c - CVE-2026-8090
Use-after-free in the DOM: Networking component
V. Comments for CVE-2025-5265
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