What is the CVSS score of EUVD-2026-30517?

EUVD-2026-30517 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.3%.

Which versions of Quick Playground are affected by EUVD-2026-30517?

The Quick Playground WordPress plugin (versions ≤1.3.3) contains a remote path traversal vulnerability enabling unauthenticated attackers to download sensitive server files, including database…

Quick Playground EUVD-2026-30517

| CVE-2026-6403 HIGH

Path Traversal (CWE-22)

2026-05-15 Wordfence

GHSA-5vxp-83xg-5c9f

WordPress Path Traversal

7.5

CVSS 3.1

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

May 15, 2026 - 09:31 vuln.today

CVE Published

May 15, 2026 - 07:46 nvd

HIGH 7.5

DescriptionNVD

The Quick Playground plugin for WordPress is vulnerable to Path Traversal in versions up to and including 1.3.3. This is due to insufficient path validation in the qckply_zip_theme() function, which appends a user-controlled 'stylesheet' parameter directly to the theme root directory path without sanitizing directory traversal sequences. This makes it possible for unauthenticated attackers to trigger the creation of a ZIP archive containing arbitrary files from the server's filesystem - including wp-config.

AnalysisAI

Remote unauthenticated attackers can exploit a path traversal vulnerability in Quick Playground plugin for WordPress (versions ≤1.3.3) to exfiltrate sensitive server files including wp-config.php credentials. The flaw in the qckply_zip_theme() function allows arbitrary filesystem traversal via an unsanitized 'stylesheet' parameter, triggering creation of downloadable ZIP archives containing any server-accessible files. …

RemediationAI

Within 24 hours: Disable and deactivate Quick Playground plugin on all WordPress installations; audit web server logs for suspicious zip file requests to the plugin directory. Within 7 days: Identify all sites running Quick Playground ≤1.3.3; if no alternative plugin exists, develop compensating controls (see below) or migrate to alternative theme management solutions. …

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

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EUVD-2026-30517 vulnerability details – vuln.today

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Quick Playground EUVD-2026-30517

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

RemediationAI

Full analysis requires sign-in

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External POC / Exploit Code