{"id":"CVE-2025-13841","aliases":["EUVD-2026-1327","GHSA-2r8p-4r3c-hw34"],"status":"published","title":"Smart App Banners \u003c= 1.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'size' and 'verticalalign' Shortcode Attributes","description":"The Smart App Banners plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'size' and 'verticalalign' parameters of the 'app-store-download' shortcode in all versions up to, and including, 1.2 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":0.00279,"percentile":0.20551,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-01-07T09:21:02Z","modified":"2026-06-17T08:34:51Z","products":[{"vendor":"clevelandwebdeveloper","product":"smart app banners"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/add85b9b-3a4d-4c46-a90f-10c9645e249d?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/smart-app-banners/trunk/index.php#L321"},{"url":"https://plugins.trac.wordpress.org/browser/smart-app-banners/tags/1.2/index.php#L321"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-13841"},{"url":"https://github.com/advisories/GHSA-2r8p-4r3c-hw34"}],"sources":{"cve":[{"id":"CVE-2025-13841","title":"Smart App Banners \u003c= 1.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'size' and 'verticalalign' Shortcode Attributes","description":"The Smart App Banners plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'size' and 'verticalalign' parameters of the 'app-store-download' shortcode in all versions up to, and including, 1.2 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":"2026-01-07T09:21:02.608Z","modified":"2026-04-08T17:15:13.355Z","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":"2026-11-02T14:32:43.10004Z"}],"euvd":[{"id":"EUVD-2026-1327","description":"The Smart App Banners plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'size' and 'verticalalign' parameters of the 'app-store-download' shortcode in all versions up to, and including, 1.2 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":"2026-01-07T09:21:02Z","modified":"2026-04-08T17:15:13Z","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":"2026-11-02T19:24:45.130194Z"}],"ghsa":[{"id":"GHSA-2r8p-4r3c-hw34","title":"The Smart App Banners plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ...","description":"The Smart App Banners plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'size' and 'verticalalign' parameters of the 'app-store-download' shortcode in all versions up to, and including, 1.2 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":"2026-01-07T12:31:21Z","modified":"2026-01-07T12:31:26Z","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":"2026-11-02T15:05:31.126773Z"}],"nvd":[{"id":"CVE-2025-13841","description":"The Smart App Banners plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'size' and 'verticalalign' parameters of the 'app-store-download' shortcode in all versions up to, and including, 1.2 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":"2026-01-07T12:16:50.14Z","modified":"2026-06-17T08:34:51.32Z","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":"2026-11-02T14:11:55.613137Z"}]}}