{"id":"CVE-2026-1826","aliases":["EUVD-2026-5959","GHSA-hxcf-rpfm-c25q"],"status":"published","title":"OpenPOS Lite \u003c= 3.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes","description":"The OpenPOS Lite – Point of Sale for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'width' parameter of the order_qrcode shortcode in all versions up to, and including, 3.0 due to insufficient input sanitization and output escaping. 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":"2026-11-12","score":0.00281,"percentile":0.20877,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-02-11T08:26:27Z","modified":"2026-06-17T10:16:34Z","products":[{"vendor":"openpos","product":"openpos lite – point of sale for woocommerce"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/e3bb88e9-e410-4ff7-b342-72c7b375dff1?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/wpos-lite-version/trunk/includes/admin/Admin.php#L3161"},{"url":"https://plugins.trac.wordpress.org/browser/wpos-lite-version/tags/3.0/includes/admin/Admin.php#L3161"},{"url":"https://plugins.trac.wordpress.org/changeset/3456299/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1826"},{"url":"https://plugins.trac.wordpress.org/changeset/3456299"},{"url":"https://github.com/advisories/GHSA-hxcf-rpfm-c25q"}],"sources":{"cve":[{"id":"CVE-2026-1826","title":"OpenPOS Lite \u003c= 3.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes","description":"The OpenPOS Lite – Point of Sale for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'width' parameter of the order_qrcode shortcode in all versions up to, and including, 3.0 due to insufficient input sanitization and output escaping. 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":"2026-02-11T08:26:27.919Z","modified":"2026-04-08T17:29:27.754Z","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":"2026-11-02T14:20:01.618694Z"}],"euvd":[{"id":"EUVD-2026-5959","description":"The OpenPOS Lite – Point of Sale for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'width' parameter of the order_qrcode shortcode in all versions up to, and including, 3.0 due to insufficient input sanitization and output escaping. 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":"2026-02-11T08:26:27Z","modified":"2026-04-08T17:29:27Z","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":"2026-11-02T19:24:36.442052Z"}],"ghsa":[{"id":"GHSA-hxcf-rpfm-c25q","title":"The OpenPOS Lite – Point of Sale for WooCommerce plugin for WordPress is vulnerable to Stored...","description":"The OpenPOS Lite – Point of Sale for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'width' parameter of the order_qrcode shortcode in all versions up to, and including, 3.0 due to insufficient input sanitization and output escaping. 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":"2026-02-11T09:30:18Z","modified":"2026-04-08T21:34:17Z","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":"2026-11-02T15:07:23.155154Z"}],"nvd":[{"id":"CVE-2026-1826","description":"The OpenPOS Lite – Point of Sale for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'width' parameter of the order_qrcode shortcode in all versions up to, and including, 3.0 due to insufficient input sanitization and output escaping. 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":"2026-02-11T09:15:52.383Z","modified":"2026-06-17T10:16:34.677Z","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":"2026-11-02T14:12:05.908608Z"}]}}