CVE-2025-31594: WPglob Auto Scroll Plugin XSS Flaw

CVE-2025-31594 Overview

CVE-2025-31594 is a reflected Cross-Site Scripting (XSS) vulnerability in the WPglob Auto scroll for reading WordPress plugin. The flaw stems from improper neutralization of user-supplied input during web page generation [CWE-79]. All plugin versions up to and including 1.1.4 are affected.

An attacker can craft a malicious URL containing JavaScript payloads. When a victim clicks the link, the payload executes in the victim's browser within the context of the vulnerable site. This enables session hijacking, credential theft, and arbitrary actions performed as the authenticated user.

Critical Impact
Reflected XSS allows attackers to execute arbitrary JavaScript in victim browsers, potentially compromising administrator sessions and leading to full site takeover when an admin is targeted.

Affected Products

WPglob Auto scroll for reading WordPress plugin (auto-scroll-for-reading)
All versions from initial release through 1.1.4
WordPress sites running the vulnerable plugin

Discovery Timeline

2025-04-01 - CVE-2025-31594 published to NVD
2026-04-23 - Last updated in NVD database

Technical Details for CVE-2025-31594

Vulnerability Analysis

The vulnerability is a reflected XSS flaw classified under [CWE-79]. User-controlled input is reflected back into the HTTP response without proper sanitization or output encoding. An attacker exploits this by crafting a URL with malicious JavaScript that executes when a victim visits the link.

Reflected XSS requires user interaction, indicated by the UI:R component in the CVSS vector. The scope is changed (S:C), meaning the vulnerability impacts resources beyond the vulnerable component. This typically reflects the ability to access cookies, tokens, or DOM data outside the plugin's intended boundary.

The attack can be delivered through phishing emails, malicious advertisements, or compromised third-party sites. Once executed, the JavaScript runs with the privileges of the visiting user. If a WordPress administrator triggers the payload, the attacker gains access to administrative functions.

Root Cause

The plugin fails to sanitize input parameters before reflecting them into rendered HTML. Output encoding functions such as esc_html(), esc_attr(), or wp_kses() are not applied to user-supplied data on a vulnerable endpoint within the plugin.

Attack Vector

The attack vector is network-based with low complexity. No authentication is required. The attacker constructs a URL containing the XSS payload and induces a victim to click it. The plugin reflects the payload into the page response, triggering execution in the browser. See the Patchstack Vulnerability Report for additional technical context.

Detection Methods for CVE-2025-31594

Indicators of Compromise

Web server access logs containing URL parameters with <script>, javascript:, onerror=, or onload= patterns targeting plugin endpoints
Unexpected outbound requests from administrator browsers to attacker-controlled domains shortly after clicking external links
WordPress administrator sessions originating from anomalous IP addresses or geolocations
New or modified WordPress administrator accounts created without authorization

Detection Strategies

Inspect HTTP request logs for encoded XSS payloads (%3Cscript%3E, %3Cimg) directed at the auto-scroll-for-reading plugin paths
Deploy Web Application Firewall (WAF) rules matching common reflected XSS signatures on WordPress query parameters
Monitor browser Content Security Policy (CSP) violation reports for blocked inline script execution

Monitoring Recommendations

Enable WordPress activity logging plugins to track administrative actions and configuration changes
Correlate referrer headers with phishing campaign indicators across email gateways and web proxies
Alert on installation of unknown plugins, themes, or PHP files in the WordPress filesystem

How to Mitigate CVE-2025-31594

Immediate Actions Required

Identify all WordPress installations running the auto-scroll-for-reading plugin at version 1.1.4 or earlier
Deactivate and remove the plugin until a patched version is verified as installed
Force password resets and session invalidation for all administrator accounts as a precaution
Review recent administrator activity for signs of unauthorized changes

Patch Information

At the time of publication, the vulnerability affects all versions through 1.1.4. Site administrators should monitor the Patchstack Vulnerability Report and the WordPress plugin repository for a fixed release. Apply the update immediately once available.

Workarounds

Remove or deactivate the auto-scroll-for-reading plugin until a patched version is released
Deploy a WordPress-aware WAF with rules blocking XSS payloads in request parameters
Enforce a strict Content Security Policy that disallows inline scripts and restricts script sources to trusted domains
Train administrators to avoid clicking untrusted links while authenticated to the WordPress dashboard

bash

# Example WAF rule pattern to block reflected XSS attempts
# ModSecurity rule blocking script tags in query strings targeting the plugin
SecRule REQUEST_URI "@contains /wp-content/plugins/auto-scroll-for-reading/" \
    "chain,phase:2,deny,status:403,id:1003159,msg:'Blocked XSS attempt on auto-scroll-for-reading plugin'"
    SecRule ARGS "@rx (?i)(<script|javascript:|onerror=|onload=)" "t:urlDecodeUni,t:htmlEntityDecode"