Arbitrary file upload in Soosyze

CVE-2023-53871

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.

Vulnerability class: Unrestricted File Upload

EPSS: 0.006 (43.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-53871?
CVE-2023-53871 is a critical-severity vulnerability in Soosyze, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2025-12-15.
How severe is CVE-2023-53871?
Critical severity. CVSS v3 base score is 9.8 out of 10.