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CVE-2023-53871

9.8 · CRITICAL

Soosyze 2.0.0 contains a file upload vulnerability that allows attackers to upload arbitrary HTML files with embedded PHP code to the application.

Published Dec 15, 2025CWE-434EPSS 0.64%

Overview

CVE-2023-53871 is a critical-severity vulnerability. It was published on December 15, 2025 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Soosyze 2.0.0 contains a file upload vulnerability that allows attackers to upload arbitrary HTML files with embedded PHP code to the application. Attackers can exploit the broken file upload mechanism to potentially view sensitive file paths and execute malicious PHP scripts on the server.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/soosyze/soosyzeRefsoosyze.com/Refwww.exploit-db.com/exploits/51718Refwww.vulncheck.com/advisories/soosyze-unrestricted-file-upload-via-broken-upload-logic

How CyberStrike helps

Frequently asked questions

What is CVE-2023-53871?

CVE-2023-53871 is a critical-severity vulnerability. It was published on December 15, 2025 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2023-53871?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-53871?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-53871?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-53871 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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