{"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":"CVE-2025-49417: Critical Deserialization of Untrusted Data Vulnerability in WooCommerce Product Multi-Action Plugin<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

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

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-49417
\nSeverity: Critical (9.8 – CVSS Score)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: System compromise, potential data leakage<\/a><\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

BestWpDeveloper WooCommerce Product Multi-Action | n\/a through 1.3<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The vulnerability arises from the plugin’s<\/a> mishandling of data deserialization. Specifically, it fails to properly validate and sanitize user-supplied data before deserializing<\/a> it. This allows an attacker to inject a malicious serialized object, which, when deserialized, can execute arbitrary code<\/a>. This could lead to complete system compromise and potential<\/a> data leakage.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

An attacker could exploit the vulnerability by sending a malicious HTTP request<\/a> such as the one below:<\/p>\n

POST \/wp-content\/plugins\/woocommerce-product-multi-action\/vulnerable-endpoint HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{\n\"malicious_payload\": \"rO0ABXNyACNvcmcuYXBhY2hlLmNvbW1vbnMuY29sbGVjdGlvbnMuNGs...\"\n}<\/code><\/pre>\n
In this example, “malicious_payload” is a base64-encode<\/a>d serialized Java object that contains malicious code. When the server deserializes this object, the malicious code is executed<\/a>.<\/p>\n
Recommended Mitigation<\/strong><\/p>\n
The best course of 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 blocking or alerting on attempts to exploit this vulnerability<\/a>. However, these are temporary measures and the patch should be applied as soon as possible to fully secure your systems<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"
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, […]<\/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,"_monsterinsights_skip_tracking":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":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t