{"id":23096,"date":"2025-04-14T11:07:40","date_gmt":"2025-04-14T11:07:40","guid":{"rendered":""},"modified":"2025-04-24T06:37:56","modified_gmt":"2025-04-24T06:37:56","slug":"cve-2023-6600-unauthorized-data-modification-and-stored-cross-site-scripting-in-omgf-gdpr-dsgvo-compliant-faster-google-fonts-easy-wordpress-plugin","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2023-6600-unauthorized-data-modification-and-stored-cross-site-scripting-in-omgf-gdpr-dsgvo-compliant-faster-google-fonts-easy-wordpress-plugin\/","title":{"rendered":"<strong>CVE-2023-6600: Unauthorized Data Modification and Stored Cross-Site Scripting in OMGF | GDPR\/DSGVO Compliant, Faster Google Fonts. Easy. WordPress Plugin<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The CVE-2023-6600 is a critical vulnerability identified in the OMGF | GDPR\/DSGVO Compliant, Faster Google Fonts. Easy. <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-3211-unauthenticated-sql-injection-vulnerability-in-wordpress-database-administrator-plugin\/\"  data-wpil-monitor-id=\"29985\">plugin for WordPress<\/a>. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-0577-critical-vulnerability-in-totolink-lr1200gb-router-allows-potential-remote-exploitation\/\"  data-wpil-monitor-id=\"29433\">vulnerability could potentially allow<\/a> an unauthenticated attacker to modify the plugin&#8217;s settings or inject Cross-Site Scripting (XSS) payloads, leading to unauthorized data modification or even complete directory deletion.<br \/>\nThe vulnerability has gained significant attention due to its high severity score and the wide usage of the affected <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-6735-privilege-escalation-vulnerability-in-checkmks-mk_tsm-agent-plugin\/\"  data-wpil-monitor-id=\"26896\">WordPress<\/a> plugin. It is therefore crucial for users, developers, and system administrators to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-51063-understanding-and-mitigating-a-dom-based-xss-vulnerability-in-qstar-archive-solutions\/\"  data-wpil-monitor-id=\"27356\">understand the risks and apply the appropriate mitigation<\/a> measures.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2023-6600<br \/>\nSeverity: Critical, CVSS v3 Score: 8.6<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-2815-unauthorized-modification-of-data-in-administrator-z-wordpress-plugin\/\"  data-wpil-monitor-id=\"29774\">Unauthorized data modification<\/a>, Stored Cross-Site Scripting, potential system compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-306430038\" class=\"ameeb-content-2 ameeb-entity-placement\"><div style=\"border-left: 4px solid #555; padding-left: 20px; margin: 48px 0; font-family: Roboto, sans-serif; color: #ffffff; line-height: 1.6; max-width: 700px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 20px; font-weight: 600; display: flex; align-items: center;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 8px;\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.ameeba.com\/blog\/wp-content\/uploads\/2025\/10\/Best-App-icon-Ameeba.png\" alt=\"Ameeba Chat Icon\" style=\"width: 40px; height: 40px;\" \/>\r\n    <\/a>\r\n    A new way to communicate\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 12px;\">\r\n    Ameeba Chat is built on encrypted identity, not personal profiles.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 16px;\">\r\n    Message, call, share files, and coordinate with identities kept separate.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 20px;\">\r\n    <li>\u2022 Encrypted identity<\/li>\r\n    <li>\u2022 Ameeba Chat authenticates access<\/li>\r\n    <li>\u2022 Aliases and categories<\/li>\r\n    <li>\u2022 End-to-end encrypted chat, calls, and files<\/li>\r\n    <li>\u2022 Secure notes for sensitive information<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px;\">\r\n    Private communication, rethought.\r\n  <\/p>\r\n\r\n  <div style=\"display: flex; flex-wrap: wrap; gap: 12px;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\/download\" style=\"background-color: #ffffff; color: #000000; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Download Ameeba Chat<\/a>\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Learn More<\/a>\r\n  <\/div>\r\n<\/div>\r\n<\/div>\n<p>Product | Affected Versions<\/p>\n<p>OMGF | GDPR\/DSGVO Compliant, Faster Google Fonts. Easy. <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-6220-piotnet-forms-plugin-vulnerability-in-wordpress-allows-arbitrary-file-uploads\/\"  data-wpil-monitor-id=\"34543\">WordPress Plugin<\/a> | Up to and including 5.7.9<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The vulnerability stems from a <a href=\"https:\/\/www.ameeba.com\/blog\/infosys-bolsters-cybersecurity-capabilities-with-the-missing-link-acquisition\/\"  data-wpil-monitor-id=\"32609\">missing capability<\/a> check on the update_settings() function hooked via admin_init. This allows a malicious attacker to <a href=\"https:\/\/www.ameeba.com\/blog\/fortinet-s-fortigate-vulnerability-ssl-vpn-symlink-exploit-puts-user-access-at-risk-post-patching\/\"  data-wpil-monitor-id=\"31319\">exploit the vulnerability<\/a> by sending a specially crafted HTTP request to the server, causing the server to update the plugin&#8217;s settings. These modified settings can then be used by the attacker to inject <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-48730-cross-site-scripting-vulnerability-in-wwbn-avideo-web-application\/\"  data-wpil-monitor-id=\"31318\">Cross-Site Scripting<\/a> payloads or delete entire directories.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-1711144765\" class=\"ameeb-content ameeb-entity-placement\"><div class=\"poptin-embedded\" data-id=\"f6b387694f681\"><\/div>\r\n\r\n\r\n\r\n\r\n\r\n<\/div>\n<p>Here is a hypothetical example of how the vulnerability might be exploited:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/wp-admin\/admin-ajax.php?action=omgf_optimize HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{\n&quot;settings&quot;: {\n&quot;cdn_url&quot;: &quot;http:\/\/malicious.example.com&quot;,\n&quot;force_subsets&quot;: &quot;&lt;img src=x onerror=alert(&#039;XSS&#039;) \/&gt;&quot;,\n&quot;remove_existing&quot;: &quot;true&quot;\n}\n}<\/code><\/pre>\n<p>In this example, the attacker sends a POST request to the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-2780-critical-arbitrary-file-upload-vulnerability-in-woffice-core-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"27355\">vulnerable endpoint with a payload that modifies the plugin&#8217;s<\/a> settings to inject a Cross-Site Scripting attack and remove existing directories.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The CVE-2023-6600 is a critical vulnerability identified in the OMGF | GDPR\/DSGVO Compliant, Faster Google Fonts. Easy. plugin for WordPress. This vulnerability could potentially allow an unauthenticated attacker to modify the plugin&#8217;s settings or inject Cross-Site Scripting (XSS) payloads, leading to unauthorized data modification or even complete directory deletion. The vulnerability has gained significant [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[91],"product":[],"attack_vector":[81],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-23096","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-google","attack_vector-xss"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/23096","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/comments?post=23096"}],"version-history":[{"count":8,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/23096\/revisions"}],"predecessor-version":[{"id":30317,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/23096\/revisions\/30317"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=23096"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=23096"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=23096"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=23096"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=23096"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=23096"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=23096"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=23096"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=23096"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}