CVE-2025-6257: Joostdekeijzer Euro Fxref Currency Converter By Dkzr

Medium severity, CVSS 6.4. EPSS: 0.3% chance of exploitation in the next 30 days.

The Euro FxRef Currency Converter plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's currency shortcode in all versions up to, and including, 2.0.2 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

• Joostdekeijzer Euro Fxref Currency Converter By Dkzr: up to and including 2.0.2

Published 2025-06-20. Last modified 2026-06-17.