{"id":"CVE-2025-13966","title":"The Paypal Payment Shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'buttom_image' parameter of the [paypal-shortcode] shortcode in all versions up to, and including, 1.01 due to insufficient input sani…","summary":"The Paypal Payment Shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'buttom_image' parameter of the [paypal-shortcode] shortcode in all versions up to, and including, 1.01 due to insufficient input sani…","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-2025-13966","references":[{"url":"https://plugins.trac.wordpress.org/browser/paypal-payments-shortcode/tags/1.01/sls-paypal-payments-shortcode.php#L10","label":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/browser/paypal-payments-shortcode/tags/1.01/sls-paypal-payments-shortcode.php#L55","label":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/browser/paypal-payments-shortcode/trunk/sls-paypal-payments-shortcode.php#L10","label":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/browser/paypal-payments-shortcode/trunk/sls-paypal-payments-shortcode.php#L55","label":"security@wordfence.com"},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/b0b1fbb1-fc2c-4eb9-89c6-364ca8c385db?source=cve","label":"security@wordfence.com"}],"tags":["nvd"],"epss":0.00223,"epssPercentile":0.118,"ingestedAt":"2026-10-07T20:46:46.880Z","slug":"CVE-2025-13966","body":"## Overview\n\nThe Paypal Payment Shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'buttom_image' parameter of the [paypal-shortcode] shortcode in all versions up to, and including, 1.01 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.\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":[]}