CVE-2025-4089
Last modified
CVE-2025-4089 is a medium-severity vulnerability rated 5.1/10 on the CVSS scale. Due to insufficient escaping of special characters 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 vulnerability was fixed in Firefox 138 and Thunderbird 138.. EPSS estimates a 0.15% chance of exploitation in the next 30 days.
Description
Due to insufficient escaping of special characters 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 vulnerability was fixed in Firefox 138 and Thunderbird 138.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 138.0 |
| Mozilla | Thunderbird | < 138.0 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2025-4089?
How severe is CVE-2025-4089?
How do I fix CVE-2025-4089?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2025
- CVE-2025-4088A security vulnerability in Thunderbird allowed malicious si…6.5
- CVE-2025-40885A SQL Injection vulnerability was discovered in the Smart Po…6.5
- CVE-2025-40886A SQL Injection vulnerability was discovered in the Alert fu…8.8
- CVE-2025-40887A SQL Injection vulnerability was discovered in the Alert fu…6.5
- CVE-2025-40888A SQL Injection vulnerability was discovered in the CLI func…6.5
- CVE-2025-40889A path traversal vulnerability was discovered in the Time Ma…8.1
- CVE-2025-40890A Stored Cross-Site Scripting vulnerability was discovered i…7.9
- CVE-2025-40891A Stored HTML Injection vulnerability was discovered in the …4.7
- CVE-2025-40892A Stored Cross-Site Scripting vulnerability was discovered i…8.9
- CVE-2025-40893A Stored HTML Injection vulnerability was discovered in the …6.1
- CVE-2025-40894A Stored HTML Injection vulnerability was discovered in the …5.4
- CVE-2025-40895A Stored HTML Injection vulnerability was discovered in the …4.8
Are you affected by CVE-2025-4089?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST