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CVE Vulnerability Database
Vulnerability Database/CVE-2025-58833

CVE-2025-58833: Invelity MyGLS Connect CSRF Vulnerability

CVE-2025-58833 is a Cross-Site Request Forgery flaw in Invelity MyGLS Connect plugin that enables object injection attacks. This article covers the technical details, affected versions up to 1.1.1, and mitigation steps.

Published: April 21, 2026

CVE-2025-58833 Overview

CVE-2025-58833 is a Cross-Site Request Forgery (CSRF) vulnerability affecting the INVELITY MyGLS connect WordPress plugin (invelity-mygls-connect). This vulnerability allows attackers to perform Object Injection attacks by exploiting the lack of proper CSRF protection in the plugin's request handling mechanisms.

The vulnerability enables malicious actors to trick authenticated administrators into executing unintended actions by crafting malicious requests that bypass the plugin's security controls. When combined with the Object Injection capability, this can lead to serious security consequences including unauthorized data manipulation and potential remote code execution.

Critical Impact

Attackers can exploit this CSRF vulnerability to perform Object Injection attacks against WordPress sites using the vulnerable Invelity MyGLS connect plugin, potentially compromising site integrity and sensitive shipping data.

Affected Products

  • INVELITY Invelity MyGLS connect plugin versions through <= 1.1.1
  • WordPress installations with the invelity-mygls-connect plugin installed
  • Sites utilizing the MyGLS shipping integration functionality

Discovery Timeline

  • 2025-09-05 - CVE-2025-58833 published to NVD
  • 2026-04-15 - Last updated in NVD database

Technical Details for CVE-2025-58833

Vulnerability Analysis

This vulnerability combines two dangerous attack vectors: Cross-Site Request Forgery (CSRF) and Object Injection. The CSRF component allows attackers to bypass the same-origin policy protections by crafting malicious requests that are executed in the context of an authenticated user's session.

The Object Injection aspect of this vulnerability is particularly concerning as it allows attackers to manipulate serialized PHP objects. When user-controlled data is passed to PHP's unserialize() function without proper validation, attackers can instantiate arbitrary objects and trigger magic methods such as __wakeup() or __destruct(), potentially leading to various attack scenarios including arbitrary file operations, database manipulation, or remote code execution depending on the classes available in the application context.

The vulnerability affects all versions of the Invelity MyGLS connect plugin up to and including version 1.1.1, indicating a fundamental flaw in how the plugin handles form submissions and user-supplied data.

Root Cause

The root cause of this vulnerability stems from inadequate implementation of CSRF protection mechanisms in the Invelity MyGLS connect WordPress plugin. Specifically, the plugin fails to properly validate nonce tokens or implement other anti-CSRF measures when processing certain requests that handle serialized data.

Additionally, the Object Injection component suggests that the plugin improperly handles deserialization of user-controlled input, likely passing untrusted data to unserialize() without adequate sanitization or type checking.

Attack Vector

An attacker can exploit this vulnerability by crafting a malicious web page or email containing a hidden form or JavaScript that submits requests to the vulnerable WordPress plugin endpoints. When an authenticated administrator visits the malicious page, the browser automatically includes their session cookies, causing the forged request to be processed with administrative privileges.

The attack flow typically involves:

  1. Attacker identifies a vulnerable endpoint in the Invelity MyGLS connect plugin
  2. Attacker crafts a malicious page containing a hidden form targeting the vulnerable endpoint
  3. The form payload includes serialized PHP objects designed to exploit the Object Injection vulnerability
  4. Victim administrator is lured to visit the malicious page
  5. The browser submits the forged request with the victim's authentication credentials
  6. The vulnerable plugin processes the malicious serialized data, triggering the Object Injection attack

For detailed technical information about this vulnerability, refer to the Patchstack Vulnerability Report.

Detection Methods for CVE-2025-58833

Indicators of Compromise

  • Unexpected administrative actions in WordPress audit logs without corresponding user activity
  • Unusual POST requests to Invelity MyGLS connect plugin endpoints from external referrers
  • Serialized PHP object patterns in request parameters, particularly containing malicious class instantiations
  • Modified plugin settings or shipping configurations without authorized changes

Detection Strategies

  • Implement Web Application Firewall (WAF) rules to detect and block requests containing serialized PHP objects from untrusted sources
  • Monitor WordPress activity logs for administrative actions that occur without corresponding login events
  • Deploy CSRF attack detection mechanisms that identify cross-origin requests to sensitive plugin endpoints
  • Utilize SentinelOne Singularity Platform to detect anomalous web application behavior and potential exploitation attempts

Monitoring Recommendations

  • Enable verbose logging for the WordPress admin area and plugin interactions
  • Configure alerts for any modifications to shipping plugin settings or configurations
  • Monitor server access logs for suspicious referrer headers indicating potential CSRF attacks
  • Implement real-time file integrity monitoring to detect unauthorized changes to plugin files

How to Mitigate CVE-2025-58833

Immediate Actions Required

  • Update the Invelity MyGLS connect plugin to a patched version as soon as one becomes available
  • Temporarily disable the invelity-mygls-connect plugin if it is not critical to operations
  • Implement additional CSRF protection at the server level using security plugins or WAF rules
  • Review WordPress audit logs for any signs of prior exploitation
  • Restrict access to the WordPress admin panel to trusted IP addresses where possible

Patch Information

Users should monitor the official WordPress plugin repository and the Patchstack Vulnerability Report for updates regarding a security patch for versions beyond 1.1.1. Until an official patch is released, implement the workarounds described below to reduce exposure.

Workarounds

  • Install and configure a WordPress security plugin that provides additional CSRF protection mechanisms
  • Implement HTTP Referer header validation at the web server level to reject cross-origin requests to admin endpoints
  • Use browser extensions or security policies that block automatic form submissions to WordPress sites
  • Consider implementing Content Security Policy (CSP) headers to restrict where forms can submit data
  • Limit plugin administrative functions to specific user roles with minimal necessary privileges
bash
# Apache configuration to restrict referrer validation
# Add to .htaccess in WordPress root directory
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{REQUEST_METHOD} POST
RewriteCond %{HTTP_REFERER} !^https?://(www\.)?yourdomain\.com [NC]
RewriteCond %{REQUEST_URI} ^/wp-admin/ [OR]
RewriteCond %{REQUEST_URI} ^/wp-json/
RewriteRule ^ - [F,L]
</IfModule>

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

  • Vulnerability Details
  • TypeCSRF

  • Vendor/TechInvelity Mygls Connect

  • SeverityNONE

  • CVSS ScoreN/A

  • EPSS Probability0.01%

  • Known ExploitedNo
  • Impact Assessment
  • ConfidentialityNone
  • IntegrityNone
  • AvailabilityNone
  • CWE References
  • CWE-352
  • Technical References
  • Patchstack Vulnerability Report
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