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.
Advisories

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Fixes

Solution

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Workaround

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History

Wed, 14 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 14 Oct 2026 04:00:00 +0000

Type Values Removed Values Added
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.
Title Countdown Timer – Widget Countdown <= 3.0.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'redirect_url' Shortcode Attribute
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Wordfence

Published:

Updated: 2026-10-14T14:19:50.767Z

Reserved: 2026-07-21T16:50:15.063Z

Link: CVE-2026-16495

cve-icon Vulnrichment

Updated: 2026-10-14T14:19:45.659Z

cve-icon NVD

Status : Deferred

Published: 2026-10-14T04:18:18.150

Modified: 2026-10-14T15:17:19.290

Link: CVE-2026-16495

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-16T01:30:19Z

Weaknesses