CVE-2023-26920
MEDIUMCVSS 6.5/10EPSS 1.15%
Last modified
CVE-2023-26920 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. fast-xml-parser before 4.1.2 allows __proto__ for Prototype Pollution.. EPSS estimates a 1.15% chance of exploitation in the next 30 days.
Description
fast-xml-parser before 4.1.2 allows __proto__ for Prototype Pollution.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Naturalintelligence | Fast Xml Parser | < 4.1.2 |
References
- https://github.com/advisories/GHSA-793h-6f7r-6qvmThird Party Advisory
- https://github.com/advisories/GHSA-793h-6f7r-6qvmThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-26920?
fast-xml-parser before 4.1.2 allows __proto__ for Prototype Pollution.
How severe is CVE-2023-26920?
CVE-2023-26920 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.15% probability of exploitation in the next 30 days.
How do I fix CVE-2023-26920?
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-2023-26920?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST