{"id":"CVE-2020-36709","aliases":["EUVD-2020-24151","GHSA-pr9r-mj5f-cvxc"],"status":"published","title":"Page Builder: KingComposer \u003c 2.9.4 - Stored Cross-Site Scripting","description":"The Page Builder: KingComposer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via via shortcode in versions before 2.9.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00642,"percentile":0.51112,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2023-06-07T01:51:23Z","modified":"2026-06-17T03:16:01Z","products":[{"vendor":"king-theme","product":"page_builder_kingcomposer"},{"vendor":"kingthemes","product":"page builder: kingcomposer – free drag and drop page builder by king-theme"},{"vendor":"unknown","product":"page builder: kingcomposer – free drag and drop page builder by king-theme"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/6447de64-b484-4f64-ad78-7df81b5a0ed7?source=cve","tags":["x_transferred","Third Party Advisory"]},{"url":"https://blog.nintechnet.com/wordpress-kingcomposer-page-builder-fixed-multiple-critical-vulnerabilities/","tags":["x_transferred","Exploit"]},{"url":"https://wpsocket.com/plugin/kingcomposer/changelog/","tags":["x_transferred","Release Notes"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-36709"},{"url":"https://blog.nintechnet.com/wordpress-kingcomposer-page-builder-fixed-multiple-critical-vulnerabilities"},{"url":"https://wpsocket.com/plugin/kingcomposer/changelog"},{"url":"https://github.com/advisories/GHSA-pr9r-mj5f-cvxc"}],"sources":{"cve":[{"id":"CVE-2020-36709","title":"Page Builder: KingComposer \u003c 2.9.4 - Stored Cross-Site Scripting","description":"The Page Builder: KingComposer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via via shortcode in versions before 2.9.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2023-06-07T01:51:23.813Z","modified":"2026-04-08T16:57:31.116Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:55.128961Z"}],"euvd":[{"id":"EUVD-2020-24151","description":"The Page Builder: KingComposer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via via shortcode in versions before 2.9.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2023-06-07T01:51:23Z","modified":"2026-04-08T16:57:31Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:24:56.140077Z"}],"ghsa":[{"id":"GHSA-pr9r-mj5f-cvxc","title":"The Page Builder: KingComposer plugin for WordPress is vulnerable to Stored Cross-Site Scripting...","description":"The Page Builder: KingComposer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via via shortcode in versions before 2.9.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2023-06-07T03:30:21Z","modified":"2024-04-04T04:37:30Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:56:25.511354Z"}],"nvd":[{"id":"CVE-2020-36709","description":"The Page Builder: KingComposer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via via shortcode in versions before 2.9.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2023-06-07T02:15:11.57Z","modified":"2026-06-17T03:16:01.34Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:47.910346Z"}]}}