What’s Vulnerable › Vulnerabilities

CVE-2025-5559: TimeZoneCalculator <= 3.37 - Authenticated (Contributor+) Stored Cross-Site Scripting

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-06-26 · updated 2026-06-17
• Weakness: CWE-79

Description

The TimeZoneCalculator plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'timezonecalculator_output' shortcode in all versions up to, and including, 3.37 due to insufficient input sanitization and output escaping on user supplied attributes. 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 products

• neoxx TimeZoneCalculator: through 3.37

References

• https://wordpress.org/plugins/timezonecalculator/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/f1e1a9ab-9ba9-45ff-aecd-b8953abc653a?source=cve

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