{"id":"CVE-2026-9857","aliases":["EUVD-2026-42859","GHSA-q7j5-p4m6-7h8q"],"status":"published","title":"Invoice123 \u003c= 1.7.0 - Missing Authorization to Authenticated (Subscriber+) Setting Modification via s123_submit_api_key \u0026 s123_submit_invoice_settings AJAX actions","description":"The Invoice123 plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.7.0. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to overwrite the plugin's API key stored in wp_options, modify invoice plugin settings, and alter WooCommerce tax rate data in the wp_woocommerce_tax_rates table.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00473,"percentile":0.41178,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-07-10T09:32:42Z","modified":"2026-07-10T15:43:30Z","products":[{"vendor":"saskaita123","product":"invoice123"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/7d4e685a-0462-447f-a639-4f95d5aa27ab?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/saskaita123-lt/tags/1.7.0/includes/pages/S123_InvoiceSettings.php#L26"},{"url":"https://plugins.trac.wordpress.org/browser/saskaita123-lt/tags/1.7.0/includes/pages/S123_InvoiceSettings.php#L65"},{"url":"https://plugins.trac.wordpress.org/browser/saskaita123-lt/tags/1.7.0/includes/pages/S123_ApiKey.php#L29"},{"url":"https://plugins.trac.wordpress.org/browser/saskaita123-lt/tags/1.7.0/includes/pages/S123_InvoiceSettings.php#L18"},{"url":"https://plugins.trac.wordpress.org/browser/saskaita123-lt/tags/1.7.0/includes/pages/S123_ApiKey.php#L21"},{"url":"https://plugins.trac.wordpress.org/browser/saskaita123-lt/tags/1.6.8/includes/pages/S123_InvoiceSettings.php#L26"},{"url":"https://plugins.trac.wordpress.org/browser/saskaita123-lt/tags/1.6.8/includes/pages/S123_InvoiceSettings.php#L65"},{"url":"https://plugins.trac.wordpress.org/browser/saskaita123-lt/tags/1.6.8/includes/pages/S123_ApiKey.php#L29"},{"url":"https://plugins.trac.wordpress.org/browser/saskaita123-lt/tags/1.6.8/includes/pages/S123_InvoiceSettings.php#L18"},{"url":"https://plugins.trac.wordpress.org/browser/saskaita123-lt/tags/1.6.8/includes/pages/S123_ApiKey.php#L21"},{"url":"https://plugins.trac.wordpress.org/changeset?reponame=\u0026old=3594935%40saskaita123-lt\u0026new=3594935%40saskaita123-lt"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9857"},{"url":"https://github.com/advisories/GHSA-q7j5-p4m6-7h8q"}],"sources":{"cve":[{"id":"CVE-2026-9857","title":"Invoice123 \u003c= 1.7.0 - Missing Authorization to Authenticated (Subscriber+) Setting Modification via s123_submit_api_key \u0026 s123_submit_invoice_settings AJAX actions","description":"The Invoice123 plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.7.0. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to overwrite the plugin's API key stored in wp_options, modify invoice plugin settings, and alter WooCommerce tax rate data in the wp_woocommerce_tax_rates table.","status":"published","published":"2026-07-10T09:32:42.851Z","modified":"2026-07-10T14:03:50.477Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T13:42:26.790871Z"}],"euvd":[{"id":"EUVD-2026-42859","description":"The Invoice123 plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.7.0. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to overwrite the plugin's API key stored in wp_options, modify invoice plugin settings, and alter WooCommerce tax rate data in the wp_woocommerce_tax_rates table.","status":"published","published":"2026-07-10T09:32:42Z","modified":"2026-07-10T14:03:50Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:20:03.345658Z"}],"ghsa":[{"id":"GHSA-q7j5-p4m6-7h8q","title":"The Invoice123 plugin for WordPress is vulnerable to authorization bypass in all versions up to,...","description":"The Invoice123 plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.7.0. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to overwrite the plugin's API key stored in wp_options, modify invoice plugin settings, and alter WooCommerce tax rate data in the wp_woocommerce_tax_rates table.","status":"published","published":"2026-07-10T12:31:44Z","modified":"2026-07-10T12:31:55Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:09:23.304195Z"}],"nvd":[{"id":"CVE-2026-9857","description":"The Invoice123 plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.7.0. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to overwrite the plugin's API key stored in wp_options, modify invoice plugin settings, and alter WooCommerce tax rate data in the wp_woocommerce_tax_rates table.","status":"published","published":"2026-07-10T10:16:24.31Z","modified":"2026-07-10T15:43:30.33Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:28.771746Z"}]}}