Remote Code Execution Vulnerability in Quick Playground Plugin for WordPress
CVE-2026-1830

9.8CRITICAL

Key Information:

Vendor

WordPress
Status
Quick Playground
Vendor
CVE Published:
9 April 2026

What is CVE-2026-1830?

The Quick Playground plugin for WordPress contains a vulnerability that allows unauthenticated attackers to execute arbitrary code on the server. This occurs due to a lack of proper authorization checks on REST API endpoints that expose a sync code, enabling attackers to upload malicious PHP files through path traversal techniques. As a result, this vulnerability poses a significant risk, allowing remote code execution and potential full server compromise in all versions up to and including 1.3.1.

Affected Version(s)

Quick Playground 0 <= 1.3.1

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/quick-playgrou...
https://plugins.trac.wordpress.org/browser/quick-playgrou...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Athiwat Tiprasaharn
Itthidej Aramsri
Vilaysone CHANTHAVONG
Waris Damkham
.