# CVE-2026-74803

## Summary

- **CVE ID:** CVE-2026-74803
- **Severity:** CRITICAL
- **CVSS Score:** 10 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H)
- **CWE:** CWE-434
- **Published:** Aug 19, 2026
- **Last Modified:** Aug 21, 2026

## Description

Joomla Extension - yootheme.com - Unauthenticated arbitrary file upload in Zoo < 4.1.64 - The image element accepts arbitrary files when the client-supplied Content-Type falls within the image MIME group.

## Affected Products

- yootheme.com — Zoo extension for Joomla (1.0.0-4.1.63)

## References

- [CNA](https://www.yootheme.com/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.31%
- **EPSS Percentile:** 24.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._