{"id":"CVE-2023-4283","aliases":["EUVD-2023-54154","GHSA-3wwh-6q6g-6h9m"],"status":"published","title":"EmbedPress \u003c= 3.8.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode","description":"The EmbedPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'embedpress_calendar' shortcode in versions up to, and including, 3.8.2 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions 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":"2026-11-09","score":0.0051,"percentile":0.43797,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2023-08-10T11:05:43Z","modified":"2026-06-17T06:37:28Z","products":[{"vendor":"wpdeveloper","product":"embedpress"},{"vendor":"wpdevteam","product":"embedpress – pdf embedder, embed youtube videos, 3d flipbook, social feeds, docs \u0026 more"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/b340eda1-e9d2-40b6-89f9-41d995ce3555?source=cve","tags":["x_transferred","Third Party Advisory"]},{"url":"https://plugins.trac.wordpress.org/browser/embedpress/tags/3.8.2/EmbedPress/ThirdParty/Googlecalendar/Embedpress_Google_Helper.php#L522","tags":["x_transferred","Patch"]},{"url":"https://plugins.trac.wordpress.org/changeset/2950211/embedpress#file18","tags":["x_transferred","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4283"},{"url":"https://github.com/advisories/GHSA-3wwh-6q6g-6h9m"}],"sources":{"cve":[{"id":"CVE-2023-4283","title":"EmbedPress \u003c= 3.8.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode","description":"The EmbedPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'embedpress_calendar' shortcode in versions up to, and including, 3.8.2 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2023-08-10T11:05:43.454Z","modified":"2026-04-08T17:16:37.823Z","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":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:30.474787Z"}],"euvd":[{"id":"EUVD-2023-54154","description":"The EmbedPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'embedpress_calendar' shortcode in versions up to, and including, 3.8.2 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2023-08-10T11:05:43Z","modified":"2026-04-08T17:16:37Z","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":"2026-11-02T19:24:44.170067Z"}],"ghsa":[{"id":"GHSA-3wwh-6q6g-6h9m","title":"The EmbedPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ...","description":"The EmbedPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'embedpress_calendar' shortcode in versions up to, and including, 3.8.2 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2023-08-10T12:30:14Z","modified":"2024-04-04T06:47:10Z","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":"2026-11-02T14:56:45.438001Z"}],"nvd":[{"id":"CVE-2023-4283","description":"The EmbedPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'embedpress_calendar' shortcode in versions up to, and including, 3.8.2 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2023-08-10T12:15:12.44Z","modified":"2026-06-17T06:37:28.617Z","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":"2026-11-02T14:08:22.812138Z"}]}}