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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 mbyte Explore Pages plugin affecting versions up to 1.01. This article covers the technical details, affected versions, security impact, and mitigation.

Updated: May 15, 2026

CVE-2025-23563 Overview

CVE-2025-23563 is a reflected Cross-Site Scripting (XSS) vulnerability in the mbyte Explore Pages WordPress plugin. The flaw affects all plugin versions up to and including 1.01. The vulnerability stems from improper neutralization of input during web page generation [CWE-79], allowing attackers to inject malicious scripts that execute in a victim's browser session.

Critical Impact

Attackers can craft URLs containing malicious JavaScript that executes in the context of the WordPress site when a victim clicks the link, enabling session theft, credential harvesting, and actions performed on behalf of the victim.

Affected Products

  • mbyte Explore Pages WordPress plugin
  • All versions from n/a through 1.01
  • WordPress installations with the explore-pages plugin enabled

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

The vulnerability is a reflected Cross-Site Scripting (XSS) flaw in the Explore Pages plugin for WordPress. The plugin fails to sanitize user-supplied input before reflecting it back into HTTP responses. Attackers can embed JavaScript payloads in request parameters that the plugin renders directly into the page HTML.

Reflected XSS requires user interaction. A victim must click a crafted link or visit an attacker-controlled page that triggers the malicious request. Successful exploitation executes attacker-controlled JavaScript in the victim's browser within the trusted site origin.

The scope change indicated by the CVSS vector means the executed script can affect resources beyond the vulnerable component, including authenticated administrative sessions on the WordPress site.

Root Cause

The root cause is missing or insufficient output encoding of user-controlled input in the plugin's page generation logic. Parameters supplied via HTTP requests are echoed back into HTML without proper context-aware escaping, violating the principles described in CWE-79.

Attack Vector

An attacker constructs a URL containing a JavaScript payload targeting a vulnerable parameter handled by the Explore Pages plugin. The attacker delivers this URL via phishing, social engineering, or third-party site redirects. When a logged-in WordPress administrator or user clicks the link, the injected script executes in their browser.

The attacker can then steal session cookies, modify page content, perform CSRF-style actions, or pivot toward account takeover. Technical details and reproduction steps are documented in the Patchstack Vulnerability Report.

Detection Methods for CVE-2025-23563

Indicators of Compromise

  • HTTP request logs containing <script>, javascript:, onerror=, or onload= patterns in query parameters targeting Explore Pages plugin endpoints
  • Unexpected outbound requests from administrator browser sessions to unfamiliar domains following plugin page access
  • WordPress audit log entries showing privilege changes or content modifications correlated with administrator clicks on external links

Detection Strategies

  • Inspect web server access logs for encoded or raw script payloads in parameters submitted to plugin routes containing explore-pages
  • Deploy a Web Application Firewall (WAF) ruleset that flags reflected XSS payload signatures in WordPress plugin requests
  • Correlate referrer headers with administrator activity to identify suspicious external link sources

Monitoring Recommendations

  • Enable verbose access logging on the WordPress front-end and forward logs to a centralized analytics platform for query-based hunting
  • Monitor browser security telemetry for Content Security Policy (CSP) violations originating from plugin-served pages
  • Alert on anomalous administrative actions following authenticated session activity on plugin-handled URLs

How to Mitigate CVE-2025-23563

Immediate Actions Required

  • Deactivate the mbyte Explore Pages plugin until a patched version higher than 1.01 is published by the vendor
  • Audit WordPress administrator accounts for unexpected changes, new users, or modified plugin and theme files
  • Force a password reset and session invalidation for all WordPress administrators if exploitation is suspected

Patch Information

No fixed version is identified in the public advisory at the time of NVD publication. Versions through 1.01 are confirmed vulnerable. Monitor the Patchstack Vulnerability Report and the WordPress plugin repository for an updated release.

Workarounds

  • Remove or disable the explore-pages plugin from WordPress installations until vendor remediation is available
  • Deploy a WAF rule that blocks HTTP requests containing script tags or JavaScript event handlers in parameters routed to the plugin
  • Implement a strict Content Security Policy (CSP) header that disallows inline script execution to reduce XSS impact
  • Train administrators to avoid clicking unsolicited links that reference their WordPress domain with unusual query strings
bash
# Example NGINX rule to block common reflected XSS payloads on plugin paths
location ~* /explore-pages/ {
    if ($args ~* "(<|%3C)script|javascript:|onerror=|onload=") {
        return 403;
    }
}

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 Vulnerability Report
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