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CVE Vulnerability Database
Vulnerability Database/CVE-2025-23563

CVE-2025-23563: Explore Pages XSS Vulnerability

CVE-2025-23563 is a reflected cross-site scripting vulnerability in the Explore pages WordPress plugin by mbyte that allows attackers to inject malicious scripts. This article covers technical details, affected versions, and mitigation.

Published: April 29, 2026

CVE-2025-23563 Overview

CVE-2025-23563 is a reflected Cross-Site Scripting (XSS) vulnerability affecting the mbyte Explore pages WordPress plugin. This vulnerability exists due to improper neutralization of input during web page generation, allowing attackers to inject malicious scripts into web pages viewed by other users.

Critical Impact

Attackers can execute arbitrary JavaScript code in victims' browsers, potentially leading to session hijacking, credential theft, defacement, or redirection to malicious websites.

Affected Products

  • mbyte Explore pages (explore-pages) plugin version 1.01 and earlier
  • WordPress sites using the vulnerable Explore pages plugin

Discovery Timeline

  • 2025-03-03 - CVE-2025-23563 published to NVD
  • 2026-04-23 - Last updated in NVD database

Technical Details for CVE-2025-23563

Vulnerability Analysis

This reflected XSS vulnerability occurs when the Explore pages plugin fails to properly sanitize user-supplied input before incorporating it into dynamically generated web pages. When a victim clicks on a maliciously crafted URL containing JavaScript payload, the unsanitized input is reflected back in the server's response and executed in the context of the victim's browser session.

The vulnerability requires user interaction (the victim must click a malicious link), but it can be exploited by any unauthenticated attacker across the network. Successful exploitation can impact the confidentiality, integrity, and availability of the user's session and data within the WordPress site.

Root Cause

The root cause of this vulnerability is the failure to implement proper input validation and output encoding mechanisms within the Explore pages plugin. User-controlled data is directly rendered in HTML output without adequate sanitization or escaping, allowing script tags and JavaScript event handlers to be injected and executed.

Attack Vector

The attack is network-based and requires an attacker to craft a malicious URL containing XSS payload targeting the vulnerable parameter in the Explore pages plugin. The attacker then distributes this URL through phishing emails, social media, or other channels. When a victim clicks the link while authenticated to the WordPress site, the malicious script executes with the victim's privileges.

The vulnerability manifests in the input handling functions of the Explore pages plugin. See the Patchstack XSS Vulnerability Report for detailed technical analysis.

Detection Methods for CVE-2025-23563

Indicators of Compromise

  • Unusual URL parameters containing JavaScript code, <script> tags, or encoded script payloads in web server access logs
  • User reports of unexpected browser behavior or redirects when accessing WordPress pages
  • Suspicious outbound connections from client browsers to unknown external domains
  • Evidence of session cookies being transmitted to unauthorized endpoints

Detection Strategies

  • Implement Web Application Firewall (WAF) rules to detect and block common XSS patterns in URL parameters
  • Monitor web server logs for requests containing encoded JavaScript payloads such as %3Cscript%3E or javascript: sequences
  • Deploy browser-based Content Security Policy (CSP) headers to prevent inline script execution
  • Use SentinelOne's runtime protection to detect malicious script execution patterns in browser contexts

Monitoring Recommendations

  • Enable verbose logging for the WordPress site and review access logs for suspicious parameter values
  • Configure alerts for HTTP requests containing common XSS payload signatures
  • Monitor for abnormal session activity that may indicate successful XSS exploitation
  • Implement real-time security monitoring for client-side JavaScript anomalies

How to Mitigate CVE-2025-23563

Immediate Actions Required

  • Audit your WordPress installation to determine if the Explore pages (explore-pages) plugin version 1.01 or earlier is installed
  • Consider temporarily disabling or removing the Explore pages plugin until a patched version is available
  • Implement a Web Application Firewall with XSS protection rules as an interim mitigation
  • Educate users about the risks of clicking untrusted links while authenticated to the WordPress admin panel

Patch Information

At the time of this advisory, users should monitor the Patchstack XSS Vulnerability Report for updates on available patches or remediation guidance from the plugin developer. Update to the latest version of the Explore pages plugin as soon as a security fix is released.

Workarounds

  • Disable or uninstall the Explore pages plugin until a security patch is available
  • Implement Content Security Policy (CSP) headers to restrict inline script execution
  • Deploy WAF rules to filter requests containing XSS payloads targeting the plugin's parameters
  • Restrict access to the WordPress admin area to trusted IP addresses only
bash
# Example: Add Content Security Policy header in Apache .htaccess
Header set Content-Security-Policy "default-src 'self'; script-src 'self'; object-src 'none'"

# Example: Add Content Security Policy header in Nginx
add_header Content-Security-Policy "default-src 'self'; script-src 'self'; object-src 'none'";

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

  • Vulnerability Details
  • TypeXSS

  • Vendor/TechMbyte

  • SeverityHIGH

  • CVSS Score7.1

  • EPSS Probability0.23%

  • Known ExploitedNo
  • CVSS Vector
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
  • Impact Assessment
  • ConfidentialityLow
  • IntegrityLow
  • AvailabilityLow
  • CWE References
  • CWE-79
  • Technical References
  • Patchstack XSS Vulnerability Report
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