What is the CVSS score of CVE-2026-1830?

CVE-2026-1830 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.2%.

Which versions of PHP are affected by CVE-2026-1830?

The Quick Playground WordPress plugin (versions ≤1.3.1) contains a critical remote code execution vulnerability that allows unauthenticated attackers to completely compromise affected web servers…

PHP CVE-2026-1830

EUVD-2026-20843 CRITICAL

Missing Authorization (CWE-862)

2026-04-09 Wordfence

GHSA-8jp3-8878-6q85

PHP WordPress Authentication Bypass RCE Path Traversal

9.8

CVSS 3.1

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Re-analysis Queued

Apr 24, 2026 - 18:07 vuln.today

cvss_changed

EUVD ID Assigned

Apr 09, 2026 - 04:30 euvd

EUVD-2026-20843

Analysis Generated

Apr 09, 2026 - 04:30 vuln.today

CVE Published

Apr 09, 2026 - 03:25 nvd

CRITICAL 9.8

DescriptionNVD

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.

AnalysisAI

Remote code execution in Quick Playground plugin for WordPress (all versions through 1.3.1) allows unauthenticated attackers to execute arbitrary PHP code on the server. Vulnerability stems from insufficient authorization on REST API endpoints that expose a sync code and permit unrestricted file uploads. …

RemediationAI

Within 24 hours: Disable or immediately remove the Quick Playground plugin from all WordPress installations; if removal is not possible, restrict network access to the affected WordPress site using WAF rules or IP allowlisting. Within 7 days: Conduct forensic analysis of server logs and file systems for indicators of compromise dating back to plugin installation; rotate all server credentials, database passwords, and API keys. …

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

Full analysis requires sign-in

Get intelligence summaries, risk assessment, exploit details, threat intel, and remediation guidance.

More from same product – last 7 days

CVE-2026-7862 HIGH This Week POC

8.6 May 28

Unauthenticated refund abuse in the Eupago Gateway for WooCommerce WordPress plugin before 4.7.2 lets remote attackers t

CVE-2026-8760 CRITICAL Act Now

9.8 May 27

Authentication bypass in the Login with OTP plugin for WordPress (all versions up to and including 1.6) lets unauthentic

CVE-2026-8809 CRITICAL Act Now

9.8 May 28

Unauthenticated privilege escalation in the Advanced Custom Fields: Extended (ACFE) WordPress plugin through version 0.9

CVE-2026-42727 CRITICAL Act Now

9.3 May 27

Blind SQL injection in the RealMag777 'Active Products Tables for WooCommerce' WordPress plugin (versions up to and incl

CVE-2026-42761 CRITICAL Act Now

9.3 May 27

Blind SQL injection in the RealMag777 "Active Products Tables for WooCommerce" WordPress plugin (all versions up to and

CVE-2026-1830 vulnerability details – vuln.today

Back

PHP CVE-2026-1830

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

RemediationAI

Full analysis requires sign-in

More from same product – last 7 days

Share

External POC / Exploit Code