Arbitrary File Upload Affecting soosyze/soosyze package, versions >=1.0.0-alpha1
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PHP-SOOSYZESOOSYZE-14427047
- published16 Dec 2025
- disclosed15 Dec 2025
- creditUnknown
Introduced: 15 Dec 2025
CVE-2023-53871 (opens in a new tab)How to fix?
There is no fixed version for soosyze/soosyze.
Overview
soosyze/soosyze is a Soosyze CMS is a minimalist content management system in PHP, without database to create and manage your website easily.
Affected versions of this package are vulnerable to Arbitrary File Upload via the upload endpoint. An attacker can execute arbitrary PHP code and access sensitive file paths by uploading specially crafted files containing embedded scripts.