{"id":"CVE-2026-1379","aliases":["EUVD-2026-24634","GHSA-8h43-r57g-hmff"],"status":"published","title":"HTTP Headers \u003c= 1.19.2 - Authenticated (Administrator+) Stored Cross-Site Scripting via 'Custom Headers' Plugin Setting","description":"The HTTP Headers plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 1.19.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.","severity":{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0029,"percentile":0.21692,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-04-22T07:45:29Z","modified":"2026-06-17T10:15:40Z","products":[{"vendor":"zinoui","product":"http headers"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/02e63068-02a8-4106-b64e-430c24815e55?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/http-headers/trunk/views/manual.php#L18"},{"url":"https://plugins.trac.wordpress.org/browser/http-headers/tags/1.19.2/views/manual.php#L18"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1379"},{"url":"https://github.com/advisories/GHSA-8h43-r57g-hmff"}],"sources":{"cve":[{"id":"CVE-2026-1379","title":"HTTP Headers \u003c= 1.19.2 - Authenticated (Administrator+) Stored Cross-Site Scripting via 'Custom Headers' Plugin Setting","description":"The HTTP Headers plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 1.19.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.","status":"published","published":"2026-04-22T07:45:29.518Z","modified":"2026-04-22T15:31:52.544Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:20:01.271368Z"}],"euvd":[{"id":"EUVD-2026-24634","description":"The HTTP Headers plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 1.19.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.","status":"published","published":"2026-04-22T07:45:29Z","modified":"2026-04-22T15:31:52Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:24:20.283712Z"}],"ghsa":[{"id":"GHSA-8h43-r57g-hmff","title":"The HTTP Headers plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin...","description":"The HTTP Headers plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 1.19.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.","status":"published","published":"2026-04-22T09:31:31Z","modified":"2026-04-22T09:31:40Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:07:34.1405Z"}],"nvd":[{"id":"CVE-2026-1379","description":"The HTTP Headers plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 1.19.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.","status":"published","published":"2026-04-22T09:16:19.667Z","modified":"2026-06-17T10:15:40.95Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:15.493943Z"}]}}