{"id":70148,"date":"2025-09-02T22:31:47","date_gmt":"2025-09-02T22:31:47","guid":{"rendered":""},"modified":"2025-10-04T05:37:26","modified_gmt":"2025-10-04T11:37:26","slug":"cve-2025-55409-cross-site-scripting-vulnerability-in-foxcms-1-2-6","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-55409-cross-site-scripting-vulnerability-in-foxcms-1-2-6\/","title":{"rendered":"<strong>CVE-2025-55409: Cross-Site Scripting Vulnerability in FoxCMS 1.2.6<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>CVE-2025-55409 is a significant security vulnerability identified in FoxCMS version 1.2.6. This vulnerability allows attackers to execute arbitrary code via a Cross-Site Scripting (XSS) attack, leading to potential system compromise or data leakage. As FoxCMS is widely used as a content management system, this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54952-severe-integer-overflow-vulnerability-in-executorch-models\/\"  data-wpil-monitor-id=\"78404\">vulnerability poses severe<\/a> risk to numerous websites, potentially affecting their data integrity, system control, and overall online security.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-55409<br \/>\nSeverity: High &#8211; 8.8 (CVSS Score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Required<br \/>\nImpact: This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-24298-arbitrary-code-execution-vulnerability-in-openharmony\/\"  data-wpil-monitor-id=\"77761\">vulnerability allows attackers to execute arbitrary code<\/a> leading to potential system compromise or data leakage.<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3607019832\" 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>FoxCMS | 1.2.6<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit works by injecting malicious code in the \/index.php\/article path of the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-41531-sql-injection-vulnerabilities-in-hospital-management-system-v4\/\"  data-wpil-monitor-id=\"78702\">FoxCMS<\/a> system. The flaw exists <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-40743-unauthorized-vnc-access-in-sinumerik-systems-due-to-insufficient-password-verification\/\"  data-wpil-monitor-id=\"80331\">due to insufficient<\/a> sanitization of user inputs in the said path. When a user visits a manipulated page, the unfiltered input launches a Cross-Site Scripting attack, enabling the attacker to execute <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49527-buffer-overflow-vulnerability-in-illustrator-leading-to-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"78170\">arbitrary code<\/a> in the victim&#8217;s browser. This can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54236-critical-improper-input-validation-vulnerability-in-adobe-commerce-leading-to-session-takeover\/\"  data-wpil-monitor-id=\"88837\">lead to session<\/a> hijacking, identity theft, defacement of the affected site, or even the redirection of the user to malicious web locations.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-4261228020\" 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 conceptual example of how the vulnerability might be exploited. This is a sample HTTP request with a malicious payload:<\/p>\n<pre><code class=\"\" data-line=\"\">GET \/index.php\/article?input=&lt;script&gt;malicious_code_here&lt;\/script&gt; HTTP\/1.1\nHost: vulnerable-website.com<\/code><\/pre>\n<p>In this example, &#8216;malicious_code_here&#8217; represents the attacker&#8217;s arbitrary <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54987-remote-code-execution-vulnerability-in-trend-micro-apex-one-management-console\/\"  data-wpil-monitor-id=\"78239\">code that will be executed<\/a> in the user&#8217;s browser.<\/p>\n<p><strong>Mitigation and Prevention<\/strong><\/p>\n<p>To mitigate this vulnerability, users of FoxCMS 1.2.6 should apply the patch provided by the vendor as soon as possible. Until the patch can be applied, it is recommended to use a Web Application Firewall (WAF) or Intrusion Detection System (IDS) as a temporary mitigation. These tools can help detect and prevent malicious XSS payloads from being executed.<br \/>\nTo prevent such vulnerabilities in the future, developers should adopt secure coding practices such as <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-24325-improper-input-validation-in-intel-r-800-series-ethernet-driver-allows-potential-escalation-of-privilege\/\"  data-wpil-monitor-id=\"80476\">input validation<\/a>, output encoding, and use of security headers to mitigate XSS attacks. Additionally, conducting regular security audits and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1411-exploitation-of-unnecessary-privileges-in-ibm-security-verify-directory-container\/\"  data-wpil-monitor-id=\"78103\">vulnerability<\/a> assessments can help identify and fix vulnerabilities before they can be exploited.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview CVE-2025-55409 is a significant security vulnerability identified in FoxCMS version 1.2.6. This vulnerability allows attackers to execute arbitrary code via a Cross-Site Scripting (XSS) attack, leading to potential system compromise or data leakage. As FoxCMS is widely used as a content management system, this vulnerability poses severe risk to numerous websites, potentially affecting their [&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":[],"product":[],"attack_vector":[81],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-70148","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-xss"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/70148","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=70148"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/70148\/revisions"}],"predecessor-version":[{"id":81648,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/70148\/revisions\/81648"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=70148"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=70148"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=70148"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=70148"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=70148"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=70148"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=70148"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=70148"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=70148"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}