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Vulnerabilities and Security Researches

Peter’s Date Countdown, CVE-2026-1654

CVE, Research URL

CVE-2026-1654

Published on
Feb 05, 2026
Research Description
The Peter's Date Countdown plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the `$_SERVER['PHP_SELF']` parameter in all versions up to, and including, 2.0.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
Affected versions
max 2.0.1.
Status
vulnerable