{"id":58926,"date":"2025-07-10T15:27:20","date_gmt":"2025-07-10T15:27:20","guid":{"rendered":""},"modified":"2025-09-29T02:49:58","modified_gmt":"2025-09-29T08:49:58","slug":"cve-2025-49417-critical-deserialization-of-untrusted-data-vulnerability-in-woocommerce-product-multi-action-plugin","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-49417-critical-deserialization-of-untrusted-data-vulnerability-in-woocommerce-product-multi-action-plugin\/","title":{"rendered":"<strong>CVE-2025-49417: Critical Deserialization of Untrusted Data Vulnerability in WooCommerce Product Multi-Action Plugin<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>A critical vulnerability has been discovered in the WooCommerce Product Multi-Action, a popular plugin used by BestWpDeveloper. This vulnerability, identified as CVE-2025-49417, carries a high severity rating due to its potential to enable unauthorized object injection, leading to system compromise or data leakage. Any organization or individual utilizing this plugin, particularly versions through 1.3, is at risk, underscoring the urgent need for mitigation measures.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-49417<br \/>\nSeverity: Critical (9.8 &#8211; CVSS Score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: System compromise, potential <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53495-unauthorized-access-data-leakage-in-wikimedia-foundation-mediawiki-abusefilter-extension\/\"  data-wpil-monitor-id=\"72542\">data leakage<\/a><\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2823509033\" 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>BestWpDeveloper WooCommerce Product Multi-Action | n\/a through 1.3<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5304-privilege-escalation-vulnerability-in-pt-project-notebooks-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"65479\">vulnerability arises from the plugin&#8217;s<\/a> mishandling of data deserialization. Specifically, it fails to properly validate and sanitize user-supplied <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52827-untrusted-data-deserialization-vulnerability-in-uxper-nuss\/\"  data-wpil-monitor-id=\"65566\">data before deserializing<\/a> it. This allows an attacker to inject a malicious serialized object, which, when deserialized, can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5310-remote-code-execution-vulnerability-in-dover-fueling-solutions-progauge-maglink-lx-consoles\/\"  data-wpil-monitor-id=\"65528\">execute arbitrary code<\/a>. This could <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52817-authorization-bypass-in-zealousweb-abandoned-contact-form-7-leads-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"65732\">lead to complete system compromise and potential<\/a> data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-482275527\" 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>An attacker could exploit the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53314-high-severity-cross-site-request-forgery-csrf-vulnerability-in-sh1zen-wp-optimizer\/\"  data-wpil-monitor-id=\"65577\">vulnerability by sending a malicious HTTP request<\/a> such as the one below:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/wp-content\/plugins\/woocommerce-product-multi-action\/vulnerable-endpoint HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{\n&quot;malicious_payload&quot;: &quot;rO0ABXNyACNvcmcuYXBhY2hlLmNvbW1vbnMuY29sbGVjdGlvbnMuNGs...&quot;\n}<\/code><\/pre>\n<p>In this example, &#8220;<a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8714-critical-postgresql-vulnerability-allowing-malicious-code-injection-by-superusers\/\"  data-wpil-monitor-id=\"80679\">malicious_payload&#8221; is a base64-encode<\/a>d serialized Java object that contains malicious code. When the server deserializes this object, the malicious <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50460-remote-code-execution-vulnerability-in-ms-swift-project\/\"  data-wpil-monitor-id=\"72543\">code is executed<\/a>.<\/p>\n<p><strong>Recommended Mitigation<\/strong><\/p>\n<p>The best course of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7734-critical-gitlab-ce-ee-vulnerability-allows-unauthorized-actions-by-attackers\/\"  data-wpil-monitor-id=\"79509\">action to mitigate this vulnerability<\/a> is to apply the vendor-supplied patch. For those unable to immediately apply the patch, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary protection by <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8059-critical-privilege-escalation-vulnerability-in-b-blocks-wordpress-plugin\/\"  data-wpil-monitor-id=\"76316\">blocking or alerting on attempts to exploit this vulnerability<\/a>. However, these are temporary measures and the patch should be applied as soon as <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54742-data-deserialization-vulnerability-in-wpevently-leading-to-possible-system-compromise\/\"  data-wpil-monitor-id=\"86367\">possible to fully secure your systems<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview A critical vulnerability has been discovered in the WooCommerce Product Multi-Action, a popular plugin used by BestWpDeveloper. This vulnerability, identified as CVE-2025-49417, carries a high severity rating due to its potential to enable unauthorized object injection, leading to system compromise or data leakage. Any organization or individual utilizing this plugin, particularly versions through 1.3, [&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-58926","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\/58926","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=58926"}],"version-history":[{"count":10,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/58926\/revisions"}],"predecessor-version":[{"id":79172,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/58926\/revisions\/79172"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=58926"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=58926"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=58926"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=58926"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=58926"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=58926"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=58926"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=58926"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=58926"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}