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CVE-2025-5929

MEDIUM 5.4 CVSS 3.1
Published
June 26, 2025
Last modified
June 17, 2026
NVD status
Analyzed
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Description

The The Countdown plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘clientId’ parameter in all versions up to, and including, 2.0.1 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.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • zourbuth The Countdown – Block Countdown Timer — Up to and including 2.0.1
  • zourbuth the_countdown — Up to and including 2.0.1

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/the-countdown/tags/2.0.1/the-countdown.php#L95 Product
  • wordpress.org https://wordpress.org/plugins/the-countdown/#developers Product, Release Notes
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/34578df8-661c-4c54-b06c-e1d787ca3c55?source=cve Third Party Advisory
  • nvd.nist.gov Official NVD record