WP Security CheckVulnerability data as of October 14, 2026

Vulnerability alerts / October 13, 2026

Vulnerability in Countdown Timer – Widget Countdown — CVE-2026-16495

MediumSeverity
CVSS 6.4
—Estimated exploit probability
EPSS
10,000+ sitesInstalls
Not publishedFixed in

What to do now

No fix has been published yet. Consider disabling Countdown Timer – Widget Countdown for now, or moving to an alternative.

Affected versions

  • 3.0.0 to 3.0.1 (inclusive)

Affected: Countdown Timer – Widget Countdown (plugin, widget-countdown)

Check: The plugin on wordpress.org / Our record for Countdown Timer – Widget Countdown

What the vulnerability is

The Countdown Timer – Widget Countdown plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'redirect_url' Shortcode Attribute in all versions up to, and including, 3.0.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

This description is reproduced verbatim from the public vulnerability record.

Sources

Part of this record comes from Wordfence Intelligence. Original: https://www.wordfence.com/threat-intel/vulnerabilities/id/7d757080-d2dc-49f9-bdc6-dba762a8f981
Copyright 2012-2026 Defiant Inc. / Full license text

This page is compiled automatically from public databases. Accuracy is not guaranteed; confirm against the vendor advisory before acting.

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