CVE-2026-16495

MediumCVSS 6.4/10Last modified Oct 14, 2026

Description

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.

Metrics

CVSS 3.1 6.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
wpdevart	Countdown Timer – Widget Countdown	>= 3.0.0, <= 3.0.1

References

Timeline

Published: Oct 14, 2026
Last modified: Oct 14, 2026
NVD status: Deferred

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