{"id":50803,"date":"2025-06-10T11:15:49","date_gmt":"2025-06-10T11:15:49","guid":{"rendered":""},"modified":"2025-08-31T18:38:12","modified_gmt":"2025-09-01T00:38:12","slug":"cve-2025-49223-prototype-pollution-vulnerability-in-billboard-js","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-49223-prototype-pollution-vulnerability-in-billboard-js\/","title":{"rendered":"<strong>CVE-2025-49223: Prototype Pollution Vulnerability in billboard.js<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>This blog post introduces a severe vulnerability, CVE-2025-49223, discovered in billboard.js before version 3.15.1. The flaw, known as prototype pollution, can be exploited to execute arbitrary code or induce a Denial of Service (DoS) condition. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-41646-critical-authentication-bypass-vulnerability-in-affected-software-packages\/\"  data-wpil-monitor-id=\"59302\">vulnerability primarily affects<\/a> developers and organizations that extensively use billboard.js in their projects. It represents a critical security issue as it could lead to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-42977-path-handling-vulnerability-that-risks-data-leakage-and-system-compromise\/\"  data-wpil-monitor-id=\"56930\">system compromise or data leakage<\/a>, posing a significant risk to the confidentiality, integrity, and availability of affected systems.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-49223<br \/>\nSeverity: Critical (CVSS: 9.8)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: Potential <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31263-critical-memory-handling-vulnerability-could-lead-to-system-compromise-or-data-leakage-in-macos-sequoia-15-4\/\"  data-wpil-monitor-id=\"57042\">system compromise or data leakage<\/a><\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1473349103\" 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>billboard.js | before 3.15.1<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>Prototype Pollution is a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49710-critical-integer-overflow-vulnerability-in-firefox-s-javascript-engine\/\"  data-wpil-monitor-id=\"60689\">vulnerability that occurs when the properties of JavaScript&#8217;s<\/a> &#8220;prototype&#8221; object get manipulated. JavaScript allows all objects to inherit properties and methods from a prototype. An attacker exploiting this CVE-2025-49223 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47478-sql-injection-vulnerability-in-metagauss-profilegrid\/\"  data-wpil-monitor-id=\"56912\">vulnerability can inject<\/a> arbitrary properties into billboard.js&#8217; function generate, causing unexpected behavior in the application, such as executing arbitrary code or causing a Denial of Service (DoS).<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-1426098141\" 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>The following is a conceptual example of how the vulnerability might be exploited. This pseudocode is designed to illustrate the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3090-unauthenticated-remote-attack-leading-to-potential-data-leakage-and-system-compromise\/\"  data-wpil-monitor-id=\"77077\">potential exploit and does not represent an actual attack<\/a>.<\/p>\n<pre><code class=\"\" data-line=\"\">let obj = billboard.generate({\ndata: {\ntype: &quot;line&quot;,\ncolumns: [\n[&quot;data1&quot;, 30, 200, 100, 400, 150, 250],\n[&quot;data2&quot;, 50, 20, 10, 40, 15, 25]\n]\n}\n});\nobj.__proto__.isAdmin = true;\nlet user = {};\nconsole.log(user.isAdmin); \/\/ true<\/code><\/pre>\n<p>In the above example, the attacker manipulates the prototype of the obj object to insert a new property, isAdmin. This property is then inherited by all new objects, potentially leading to privilege escalation, arbitrary <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48492-remote-code-execution-vulnerability-in-getsimple-cms\/\"  data-wpil-monitor-id=\"57253\">code execution<\/a>, or a DoS condition.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>The most effective way to mitigate this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49002-critical-vulnerability-in-dataease-bypassing-patch-for-cve-2025-32966\/\"  data-wpil-monitor-id=\"59303\">vulnerability is by applying the vendor-supplied patch<\/a>. Users should upgrade billboard.js to version 3.15.1 or later. As a temporary mitigation, users can implement a Web Application Firewall (WAF) or Intrusion Detection System (IDS) to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-20217-denial-of-service-vulnerability-in-snort-3-detection-engine-of-cisco-secure-firewall-threat-defense-software\/\"  data-wpil-monitor-id=\"77076\">detect and block attempts to exploit this vulnerability<\/a>. However, this should be seen as a stopgap solution until the patch can be applied.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview This blog post introduces a severe vulnerability, CVE-2025-49223, discovered in billboard.js before version 3.15.1. The flaw, known as prototype pollution, can be exploited to execute arbitrary code or induce a Denial of Service (DoS) condition. This vulnerability primarily affects developers and organizations that extensively use billboard.js in their projects. It represents a critical security [&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":[87,76,80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-50803","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-dos","attack_vector-privilege-escalation","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/50803","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=50803"}],"version-history":[{"count":7,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/50803\/revisions"}],"predecessor-version":[{"id":69457,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/50803\/revisions\/69457"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=50803"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=50803"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=50803"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=50803"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=50803"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=50803"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=50803"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=50803"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=50803"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}