{"id":"CVE-2025-13963","title":"The FX Currency Converter plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'fxcc_convert' shortcode in all versions up to, and including, 0.2.0 due to insufficient input sanitization and output escaping …","summary":"The FX Currency Converter plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'fxcc_convert' shortcode in all versions up to, and including, 0.2.0 due to insufficient input sanitization and output escaping …","severity":"medium","cvss":6.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","cwe":["CWE-79"],"published":"2025-12-12","updated":"2026-10-07","sourceUpdated":"2026-10-07T20:10:01.970","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-13963","references":[{"url":"https://plugins.trac.wordpress.org/browser/fx-currency-converter/tags/0.2.0/includes/shortcode.php#L57","label":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/browser/fx-currency-converter/trunk/includes/shortcode.php#L57","label":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3415819%40fx-currency-converter&new=3415819%40fx-currency-converter&sfp_email=&sfph_mail=","label":"security@wordfence.com"},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/d01a7887-afd7-418b-99ad-92157582a506?source=cve","label":"security@wordfence.com"}],"tags":["nvd"],"epss":0.00223,"epssPercentile":0.11802,"ingestedAt":"2026-10-07T20:46:46.880Z","slug":"CVE-2025-13963","body":"## Overview\n\nThe FX Currency Converter plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'fxcc_convert' shortcode in all versions up to, and including, 0.2.0 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":35,"depthScoreParts":{"impact":35.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}