{"id":"CVE-2024-6639","aliases":["EUVD-2024-47698","GHSA-xvx6-rgcr-cjh6"],"status":"published","title":"MDx \u003c= 2.0.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via mdx_list_item Shortcode","description":"The MDx theme for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'mdx_list_item' shortcode in all versions up to, and including, 2.0.3 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":0.00379,"percentile":0.32152,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2024-08-12T13:49:22Z","modified":"2026-10-28T02:31:02Z","products":[{"vendor":"axtonyao","product":"mdx"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/23ae17a6-a745-42c4-8627-ad1c41b66e0e?source=cve","tags":["web"]},{"url":"https://github.com/yrccondor/mdx","tags":["package"]},{"url":"https://github.com/yrccondor/mdx/commit/0906438824b8fab72715e7d5aec348aef0792721","tags":["fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-6639","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-xvx6-rgcr-cjh6"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/6xxx/CVE-2024-6639.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-6639","title":"MDx \u003c= 2.0.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via mdx_list_item Shortcode","description":"The MDx theme for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'mdx_list_item' shortcode in all versions up to, and including, 2.0.3 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":"2024-08-12T13:49:22.723Z","modified":"2026-04-08T16:41:58.146Z","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":"2026-11-02T14:34:11.638716Z"}],"euvd":[{"id":"EUVD-2024-47698","description":"The MDx theme for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'mdx_list_item' shortcode in all versions up to, and including, 2.0.3 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":"2024-08-12T13:49:22Z","modified":"2026-04-08T16:41:58Z","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":"2026-11-02T19:25:06.035534Z"}],"ghsa":[{"id":"GHSA-xvx6-rgcr-cjh6","title":"The MDx theme for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's ...","description":"The MDx theme for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'mdx_list_item' shortcode in all versions up to, and including, 2.0.3 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":"2024-08-12T15:30:53Z","modified":"2024-08-12T15:31:05Z","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":"2026-11-02T14:57:55.768435Z"}],"nvd":[{"id":"CVE-2024-6639","description":"The MDx theme for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'mdx_list_item' shortcode in all versions up to, and including, 2.0.3 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":"2024-08-12T14:15:07.543Z","modified":"2026-06-17T08:18:23.823Z","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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:10:18.563492Z"}],"osv":[{"id":"CVE-2024-6639","title":"MDx \u003c= 2.0.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via mdx_list_item Shortcode","description":"The MDx theme for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'mdx_list_item' shortcode in all versions up to, and including, 2.0.3 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":"2024-08-12T13:49:22.723Z","modified":"2026-10-28T02:31:02.248026651Z","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":"2026-11-02T15:44:45.405014Z"}]}}