{"id":81723,"date":"2025-10-04T18:29:33","date_gmt":"2025-10-04T18:29:33","guid":{"rendered":""},"modified":"2025-11-02T11:12:39","modified_gmt":"2025-11-02T17:12:39","slug":"cve-2025-57483-reflected-xss-vulnerability-in-tawk-to-chatbox-widget-v4","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-57483-reflected-xss-vulnerability-in-tawk-to-chatbox-widget-v4\/","title":{"rendered":"<strong>CVE-2025-57483: Reflected XSS Vulnerability in tawk.to Chatbox Widget v4<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>Today we&#8217;re looking into a critical cybersecurity vulnerability that has been identified as CVE-2025-57483. This vulnerability is a reflected Cross-Site Scripting (XSS) flaw found within the tawk.to chatbox widget version 4, a commonly used service for online customer service communications. The exploitation of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-24404-xml-injection-remote-code-execution-vulnerability-in-apache-hertzbeat\/\"  data-wpil-monitor-id=\"88961\">vulnerability could allow an attacker to execute<\/a> arbitrary Javascript within the context of the user&#8217;s browser. This is particularly concerning as it potentially <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-58755-high-risk-vulnerability-in-monai-ai-toolkit-allowing-system-file-overwrite\/\"  data-wpil-monitor-id=\"88983\">allows for system<\/a> compromise and data leakage, posing a substantial risk to both user privacy and enterprise security.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-57483<br \/>\nSeverity: High &#8211; CVSS Score 8.1<br \/>\nAttack Vector: Remote<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-10534-critical-firefox-and-thunderbird-vulnerability-leading-to-possible-system-compromise-and-data-leakage\/\"  data-wpil-monitor-id=\"89445\">System compromise<\/a>, potential data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3860715113\" 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: 720px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 22px; font-weight: 600; display: flex; align-items: center; letter-spacing: -0.02em;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 10px;\">\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: 42px; height: 42px;\" \/>\r\n    <\/a>\r\n    Share secrets securely\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 14px; color: #d1d5db;\">\r\n    Ameeba is private infrastructure for communication and sensitive work built on encrypted identity instead of exposed corporate identity systems.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 18px; color: #a1a1aa;\">\r\n    Passwords, credentials, confidential files, screenshots, internal discussions, sensitive AI context, and private coordination should not become exposed across ordinary communication platforms.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 24px; color: #e4e4e7;\">\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Encrypted identity<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Private Spaces for organizations and teams<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 End-to-end encrypted chat, calls, files, and notes<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Sensitive AI work and protected collaboration<\/li>\r\n    <li>\u2022 Built for information that cannot leak<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px; color: #ffffff;\">\r\n    Our mission is to secure human work alongside AI.\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: 8px; font-weight: 500;\">\r\n      Download Ameeba\r\n    <\/a>\r\n\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 8px; font-weight: 500;\">\r\n      Learn More\r\n    <\/a>\r\n  <\/div>\r\n<\/div><\/div>\n<p>Product | Affected Versions<\/p>\n<p>tawk.to | Chatbox Widget v4<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploitation of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47569-sql-injection-vulnerability-in-wpswings-woocommerce-ultimate-gift-card\/\"  data-wpil-monitor-id=\"88918\">vulnerability hinges on the injection<\/a> of a malicious Javascript payload into a vulnerable parameter of the tawk.to chatbox widget. <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9872-remote-code-execution-vulnerability-in-ivanti-endpoint-manager-due-to-insufficient-filename-validation\/\"  data-wpil-monitor-id=\"89161\">Due to the nature of reflected XSS vulnerabilities<\/a>, the injected script is sent by the attacker in the form of a modified URL. When a user clicks on this URL, the malicious script is executed in their browser, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9443-buffer-overflow-vulnerability-in-tenda-ch22-1-0-0-1-potentially-leads-to-system-compromise\/\"  data-wpil-monitor-id=\"89016\">potentially leading to a system<\/a> compromise or data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-4060183926\" 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&#8217;s 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 \/chatbox\/?user-input=&lt;script&gt;malicious_payload&lt;\/script&gt; HTTP\/1.1\nHost: target.example.com<\/code><\/pre>\n<p>In the above example, `malicious_payload` represents the attacker&#8217;s <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-41714-critical-vulnerability-in-upload-endpoint-causing-arbitrary-file-write-and-potential-remote-code-execution\/\"  data-wpil-monitor-id=\"89512\">arbitrary Javascript code<\/a>. When the user navigates to this URL, the `user-input` parameter in the URL is reflected back in the HTTP response, causing the user&#8217;s <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52904-command-execution-vulnerability-in-file-browser-version-2-32-0\/\"  data-wpil-monitor-id=\"92217\">browser to execute<\/a> the malicious script.<\/p>\n<p><strong>Mitigation and Fixes<\/strong><\/p>\n<p>The preferred way to mitigate this vulnerability is to apply the vendor patch as soon as it becomes available. Until then, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can serve as a temporary mitigation, helping to identify and block potential exploit attempts. It is also recommended to escape all user input within the application and enable Content Security Policy (CSP) headers to further protect against <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-55409-cross-site-scripting-vulnerability-in-foxcms-1-2-6\/\"  data-wpil-monitor-id=\"89128\">Cross-Site Scripting<\/a> attacks.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview Today we&#8217;re looking into a critical cybersecurity vulnerability that has been identified as CVE-2025-57483. This vulnerability is a reflected Cross-Site Scripting (XSS) flaw found within the tawk.to chatbox widget version 4, a commonly used service for online customer service communications. The exploitation of this vulnerability could allow an attacker to execute arbitrary Javascript within [&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-81723","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\/81723","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=81723"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/81723\/revisions"}],"predecessor-version":[{"id":85431,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/81723\/revisions\/85431"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=81723"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=81723"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=81723"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=81723"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=81723"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=81723"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=81723"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=81723"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=81723"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}