{"id":46103,"date":"2025-05-30T07:25:48","date_gmt":"2025-05-30T07:25:48","guid":{"rendered":""},"modified":"2025-09-11T20:15:51","modified_gmt":"2025-09-12T02:15:51","slug":"cve-2025-39499-critical-deserialization-vulnerability-in-boldthemes-medicare","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-39499-critical-deserialization-vulnerability-in-boldthemes-medicare\/","title":{"rendered":"<strong>CVE-2025-39499: Critical Deserialization Vulnerability in BoldThemes Medicare<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity community has seen the emergence of a critical vulnerability, identified as CVE-2025-39499, within the BoldThemes Medicare system. This flaw has significant implications for data safety and system integrity, due to its high CVSS score of 9.8. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2022-3604-data-validation-vulnerability-in-contact-form-entries-wordpress-plugin\/\"  data-wpil-monitor-id=\"52165\">vulnerability arises from the deserialization of untrusted data<\/a>, which allows object injection. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-41075-high-risk-type-confusion-vulnerability-allowing-arbitrary-code-execution-with-kernel-privileges\/\"  data-wpil-monitor-id=\"51573\">type of vulnerability<\/a> can lead to potential system compromise or data leakage if exploited by malicious actors. This issue affects all users of the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-39495-high-critical-vulnerability-in-boldthemes-avantage-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"54183\">BoldThemes Medicare system<\/a>, especially those operating versions up to 2.1.0.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-39499<br \/>\nSeverity: Critical (9.8 CVSS Score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-39401-unrestricted-file-upload-leading-to-potential-system-compromise-in-mojoomla-wpams\/\"  data-wpil-monitor-id=\"52079\">System compromise and potential<\/a> data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1354728187\" 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>BoldThemes Medicare | Up to 2.1.0<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-42871-critical-memory-handling-vulnerability-enabling-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"51819\">vulnerability arises from the system&#8217;s handling<\/a> of serialized data. In the case of CVE-2025-39499, BoldThemes Medicare does not properly validate the data being deserialized, leading to an object <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32245-sql-injection-vulnerability-in-lambertgroup-apollo\/\"  data-wpil-monitor-id=\"51537\">injection vulnerability<\/a>. An attacker can exploit this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-42826-arbitrary-code-execution-vulnerability-in-macos-sonoma-14\/\"  data-wpil-monitor-id=\"51604\">vulnerability by sending serialized data containing malicious code<\/a> to the system. Once the system deserializes this data, it can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-7206-arbitrary-code-execution-vulnerability-in-horner-automation-cscape\/\"  data-wpil-monitor-id=\"51613\">execute the malicious code<\/a>, potentially leading to system compromise or data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2636947065\" 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>This conceptual example <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49526-out-of-bounds-write-vulnerability-in-illustrator-leading-to-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"75249\">illustrates how an attacker might exploit the vulnerability<\/a>. The attacker sends a POST <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-36560-critical-server-side-request-forgery-vulnerability-in-a-blog-cms\/\"  data-wpil-monitor-id=\"51669\">request containing malicious serialized data to a vulnerable<\/a> endpoint:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/vulnerable\/endpoint HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ &quot;serialized_object&quot;: &quot;rO0ABXNyAC5qYXZhLnV0aWwuSGFzaE1hcAUH2sHDFmDRAwACRgAKbG9hZEZhY3RvckkpABtlYXN0aWFjZXNzdGhyZXNob2xkWwAPbG9hZEZhY3RvcklUQUJsZXQAEkxqYXZhL...&quot; }<\/code><\/pre>\n<p>In the above example, the `serialized_object` field contains malicious serialized data. Upon deserialization, the system may execute unintended actions, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-32401-buffer-overflow-vulnerability-in-macos-leads-to-potential-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"51640\">leading to potential<\/a> system compromise or data leakage.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>Users of the affected versions of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43245-critical-downgrade-issue-affecting-multiple-macos-versions\/\"  data-wpil-monitor-id=\"81792\">BoldThemes<\/a> Medicare are advised to apply the vendor-supplied patch to correct this issue. In situations where the patch cannot be immediately applied, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation by <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45984-critical-command-injection-vulnerability-detected-in-blink-routers\/\"  data-wpil-monitor-id=\"75251\">detecting and blocking attempts to exploit this vulnerability<\/a>. Regular system and software updates, as well as proper data validation practices, can also help <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49155-uncontrolled-search-path-vulnerability-in-trend-micro-apex-one-data-loss-prevention-module\/\"  data-wpil-monitor-id=\"75250\">prevent similar vulnerabilities<\/a> in the future.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity community has seen the emergence of a critical vulnerability, identified as CVE-2025-39499, within the BoldThemes Medicare system. This flaw has significant implications for data safety and system integrity, due to its high CVSS score of 9.8. The vulnerability arises from the deserialization of untrusted data, which allows object injection. This type of [&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":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-46103","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/46103","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=46103"}],"version-history":[{"count":12,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/46103\/revisions"}],"predecessor-version":[{"id":74253,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/46103\/revisions\/74253"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=46103"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=46103"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=46103"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=46103"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=46103"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=46103"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=46103"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=46103"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=46103"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}