{"id":"CVE-2024-4383","aliases":["EUVD-2024-44016","GHSA-c7vh-4v2j-w7vm"],"status":"published","title":"Simple Membership \u003c= 4.4.5 - Authenticated(Contributor+) Stored Cross-Site Scripting via Shortcode","description":"The Simple Membership plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'swpm_paypal_subscription_cancel_link' shortcode in all versions up to, and including, 4.4.5 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.","severity":{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00429,"percentile":0.37466,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2024-05-09T20:03:26Z","modified":"2026-06-17T08:01:47Z","products":[{"vendor":"simple-membership-plugin","product":"simple_membership"},{"vendor":"wpinsider-1","product":"simple membership"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/56fdbf80-8ea2-412a-b166-b7c27de88e70?source=cve","tags":["x_transferred","Third Party Advisory"]},{"url":"https://plugins.trac.wordpress.org/browser/simple-membership/tags/4.4.3/classes/shortcode-related/class.swpm-shortcodes-handler.php#L228","tags":["x_transferred","Product"]},{"url":"https://plugins.trac.wordpress.org/changeset/3081024/simple-membership/trunk/classes/shortcode-related/class.swpm-shortcodes-handler.php?old=3010737\u0026old_path=%2Fsimple-membership%2Ftrunk%2Fclasses%2Fshortcode-related%2Fclass.swpm-shortcodes-handler.php","tags":["x_transferred","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-4383"},{"url":"https://github.com/advisories/GHSA-c7vh-4v2j-w7vm"}],"sources":{"cve":[{"id":"CVE-2024-4383","title":"Simple Membership \u003c= 4.4.5 - Authenticated(Contributor+) Stored Cross-Site Scripting via Shortcode","description":"The Simple Membership plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'swpm_paypal_subscription_cancel_link' shortcode in all versions up to, and including, 4.4.5 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.","status":"published","published":"2024-05-09T20:03:26.695Z","modified":"2026-04-08T16:54:16.564Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:34:16.78507Z"}],"euvd":[{"id":"EUVD-2024-44016","description":"The Simple Membership plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'swpm_paypal_subscription_cancel_link' shortcode in all versions up to, and including, 4.4.5 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.","status":"published","published":"2024-05-09T20:03:26Z","modified":"2026-04-08T16:54:16Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:24:58.224332Z"}],"ghsa":[{"id":"GHSA-c7vh-4v2j-w7vm","title":"The Simple Membership plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the...","description":"The Simple Membership plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'swpm_paypal_subscription_cancel_link' shortcode in all versions up to, and including, 4.4.5 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.","status":"published","published":"2024-05-14T18:30:54Z","modified":"2025-02-05T18:34:39Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:59:48.241087Z"}],"nvd":[{"id":"CVE-2024-4383","description":"The Simple Membership plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'swpm_paypal_subscription_cancel_link' shortcode in all versions up to, and including, 4.4.5 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.","status":"published","published":"2024-05-14T15:43:28.407Z","modified":"2026-06-17T08:01:47.507Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:09:58.124007Z"}]}}