CVE-2025-13013
MEDIUMCVSS 6.1/10EPSS 0.17%
Last modified
CVE-2025-13013 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Mitigation bypass in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Firefox ESR 115.30, Thunderbird 145, and Thunderbird 140.5.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.
Description
Mitigation bypass in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Firefox ESR 115.30, Thunderbird 145, and Thunderbird 140.5.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 115.30.0 |
| Mozilla | Firefox | < 145.0 |
| Mozilla | Firefox | >= 140.0, < 140.5.0 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1991945Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2025-87/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-88/Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-89/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2025-13013?
Mitigation bypass in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Firefox ESR 115.30, Thunderbird 145, and Thunderbird 140.5.
How severe is CVE-2025-13013?
CVE-2025-13013 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.
How do I fix CVE-2025-13013?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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.
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Are you affected by CVE-2025-13013?
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