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MEDIUM

Quick Playground <= 1.3.4 - Authenticated (Administrator+) Arbitrary File Read via 'filename' Parameter

Published Jun 6, 2026

Description

The Quick Playground plugin for WordPress is vulnerable to Path Traversal in all versions up to, and including, 1.3.4. This is due to the `qckply_data()` function passing the user-supplied `filename` POST parameter directly to `file_get_contents()` without any validation, sanitization, or path restriction. This makes it possible for authenticated attackers, with Administrator-level access and above, to read arbitrary files on the server, such as `wp-config.php` or `/etc/passwd`, which can contain sensitive information. Note: This vulnerability is only exploitable when the site has been synced with WordPress Playground (the `is_qckply_clone` option is set) or when running on `playground.wordpress.net`.

Affected products

Remediation

No remediation recorded yet.

Weaknesses (1)

References (5)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner Wordfence
Published Jun 6, 2026
Updated Jun 6, 2026
Reserved Feb 13, 2026
CISA Vulnrichment
Updated Jun 6, 2026
NVD
Status Deferred
Modified Jul 23, 2026
Red Hat
Severity n/a
Public date n/a
ENISA EUVD
Assigner Wordfence
Published Jun 6, 2026
Updated Jun 6, 2026
Exploited since n/a
EUVD-2026-34953