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Tool Directory

CVE-2026-1830

CriticalPublished

Quick Playground <= 1.3.1 - Missing Authorization to Unauthenticated Arbitrary File Upload

Published: Apr 9, 2026
Updated: Apr 9, 2026
Assigning CNA: Wordfence
Evidence observed: May 29, 2026

Primary CVSS

9.8/ 10Critical

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

8.1%

Low · next 30 days

Percentile: 94.7%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

The Quick Playground plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 1.3.1. This is due to insufficient authorization checks on REST API endpoints that expose a sync code and allow arbitrary file uploads. This makes it possible for unauthenticated attackers to retrieve the sync code, upload PHP files with path traversal, and achieve remote code execution on the server.

Sources

Quick Playground for WordPress 1.3.1 - Unauthenticated Remote Code ExecutionExploit
cardosource · multiple · May 29, 2026

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