Easy Timer <= 4.2.1 - Authenticated (Editor+) Remote Code Execution via Shortcode

Improper Control of Generation of Code ('Code Injection')
CVE CVE-2025-9519
CVSS High (7.2)
Publicly Published September 3, 2025
Last Updated September 4, 2025
Researcher Jonas Benjamin Friedli
Description

The Easy Timer plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 4.2.1 via the plugin's shortcodes. This is due to insufficient restriction of shortcode attributes. This makes it possible for authenticated attackers, with Editor-level access and above, to execute code on the server.

References

1 affected software package

Software Type Plugin
Software Slug easy-timer (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 4.2.1
Patched Version
  • 4.2.2
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