Arbitrary File Upload Affecting showdoc/showdoc package, versions <2.8.13
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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Start learning- Snyk IDSNYK-PHP-SHOWDOCSHOWDOC-10255364
- published28 May 2025
- disclosed29 Apr 2025
- creditUnknown
Introduced: 29 Apr 2025
CVE-2025-0520 (opens in a new tab)How to fix?
Upgrade showdoc/showdoc to version 2.8.13 or higher.
Overview
showdoc/showdoc is a tool for an IT team to share documents online.
Affected versions of this package are vulnerable to Arbitrary File Upload due to the uploadImg method in the PageController class, which improperly validates file extensions. An attacker can execute arbitrary code by uploading a malicious file.