{"id":"CVE-2026-1266","aliases":["EUVD-2026-4544","GHSA-v83h-rhjw-9wgp"],"status":"published","title":"Postalicious \u003c= 3.0.1 - Authenticated (Administrator+) Stored Cross-Site Scripting via Plugin Settings","description":"The Postalicious plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 3.0.1 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":"2026-11-10","score":0.00285,"percentile":0.21186,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-01-24T08:26:34Z","modified":"2026-06-17T10:15:25Z","products":[{"vendor":"neop","product":"postalicious"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/512c9a2f-b023-4e28-8dd8-35795e68a8b3?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/postalicious/trunk/wp-postalicious.php#L316"},{"url":"https://plugins.trac.wordpress.org/browser/postalicious/tags/3.0.1/wp-postalicious.php#L316"},{"url":"https://plugins.trac.wordpress.org/browser/postalicious/trunk/wp-postalicious.php#L533"},{"url":"https://plugins.trac.wordpress.org/browser/postalicious/tags/3.0.1/wp-postalicious.php#L533"},{"url":"https://plugins.trac.wordpress.org/browser/postalicious/trunk/wp-postalicious.php#L541"},{"url":"https://plugins.trac.wordpress.org/browser/postalicious/tags/3.0.1/wp-postalicious.php#L541"},{"url":"https://plugins.trac.wordpress.org/browser/postalicious/trunk/wp-postalicious.php#L548"},{"url":"https://plugins.trac.wordpress.org/browser/postalicious/tags/3.0.1/wp-postalicious.php#L548"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1266"},{"url":"https://github.com/advisories/GHSA-v83h-rhjw-9wgp"}],"sources":{"cve":[{"id":"CVE-2026-1266","title":"Postalicious \u003c= 3.0.1 - Authenticated (Administrator+) Stored Cross-Site Scripting via Plugin Settings","description":"The Postalicious plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 3.0.1 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":"2026-01-24T08:26:34.094Z","modified":"2026-04-08T16:52:28.799Z","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-2026-4544","description":"The Postalicious plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 3.0.1 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":"2026-01-24T08:26:34Z","modified":"2026-04-08T16:52:28Z","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":"2026-11-02T19:24:59.010053Z"}],"ghsa":[{"id":"GHSA-v83h-rhjw-9wgp","title":"The Postalicious plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin...","description":"The Postalicious plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 3.0.1 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":"2026-01-24T09:30:28Z","modified":"2026-01-24T09:30:34Z","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":"2026-11-02T15:05:54.187658Z"}],"nvd":[{"id":"CVE-2026-1266","description":"The Postalicious plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 3.0.1 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":"2026-01-24T09:15:54.177Z","modified":"2026-06-17T10:15:25.353Z","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":"2026-11-02T14:12:04.769088Z"}]}}