CVE-2025-22803: WooCommerce Advanced Product Info XSS Flaw

CVE-2025-22803 is a stored XSS vulnerability in VillaTheme Advanced Product Information for WooCommerce plugin affecting versions up to 1.1.4. Attackers can inject malicious scripts that execute in user browsers. This article covers technical details, affected versions, security impact, and mitigation strategies.

CVE-2025-22803 Overview

CVE-2025-22803 is a stored Cross-Site Scripting (XSS) vulnerability in the VillaTheme Advanced Product Information for WooCommerce plugin for WordPress. The flaw affects all plugin versions up to and including 1.1.4. The vulnerability results from improper neutralization of user-supplied input during web page generation, classified under [CWE-79]. An authenticated attacker with low privileges can inject malicious scripts that persist on affected pages and execute in the browsers of visiting users or administrators.

Critical Impact
Stored XSS enables session hijacking, credential theft, and administrative action forgery within the WordPress environment when a targeted user views a poisoned page.

Affected Products

VillaTheme Advanced Product Information for WooCommerce (woo-advanced-product-information)
All plugin versions from initial release through 1.1.4
WordPress sites running WooCommerce with this plugin installed

Discovery Timeline

2025-01-09 - CVE-2025-22803 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-22803

Vulnerability Analysis

The vulnerability is a stored XSS flaw in the Advanced Product Information for WooCommerce plugin. Input passed through plugin-controlled fields is stored in the WordPress database without adequate sanitization or output encoding. When the affected content is rendered in a page or administrative interface, the payload executes as script in the visitor's browser.

Exploitation requires an authenticated user with low privileges and some form of user interaction, according to the CVSS vector. The scope is changed, meaning the impact extends beyond the vulnerable component into the browser context of other users. Successful exploitation allows attackers to run arbitrary JavaScript in the context of the WordPress origin.

Root Cause

The root cause is missing input sanitization on write and missing output escaping on render. WordPress provides helper functions such as sanitize_text_field(), wp_kses_post(), and esc_html() for these purposes. The plugin fails to apply these consistently to attacker-controllable fields, allowing HTML and JavaScript to persist and later render as active content.

Attack Vector

The attack is network-reachable and requires an authenticated contributor or higher-privileged account. The attacker submits a crafted payload through a plugin form that stores the value. When a victim, such as an administrator or shop customer, loads the page displaying that data, the injected script executes. Refer to the Patchstack Vulnerability Report for advisory details.

Detection Methods for CVE-2025-22803

Indicators of Compromise

Unexpected <script>, <iframe>, or on* event handler attributes stored in WooCommerce product metadata or plugin option tables.
Outbound requests from administrator browser sessions to unknown external domains shortly after loading product pages.
Creation of new administrator accounts or modification of user roles without a corresponding legitimate action.

Detection Strategies

Audit database records associated with the woo-advanced-product-information plugin for HTML or JavaScript tokens in fields expected to contain plain text.
Review WordPress access logs for authenticated POST requests to plugin endpoints followed by administrator page loads that trigger unusual client-side network activity.
Deploy a web application firewall rule set that flags stored XSS patterns targeting WooCommerce plugin parameters.

Monitoring Recommendations

Monitor plugin version inventory across WordPress sites to identify installations still running 1.1.4 or earlier.
Alert on privileged WordPress account creation, role escalation, and changes to plugin or theme files.
Track Content Security Policy (CSP) violation reports for evidence of injected inline scripts.

How to Mitigate CVE-2025-22803

Immediate Actions Required

Update the Advanced Product Information for WooCommerce plugin to a version later than 1.1.4 once released by VillaTheme.
If no fixed version is available, deactivate and remove the plugin until a patch is published.
Review contributor, author, and editor accounts and reset credentials for any account that may have submitted untrusted content.

Patch Information

At the time of publication the vendor advisory tracked by Patchstack lists all versions through 1.1.4 as affected. Administrators should consult the Patchstack Vulnerability Report for current patched-version guidance from VillaTheme.

Workarounds

Restrict access to plugin-managed fields to fully trusted administrators only.
Deploy a web application firewall with rules that block XSS payloads targeting WooCommerce plugin parameters.
Enforce a strict Content Security Policy that disallows inline scripts and untrusted script sources on WordPress admin and storefront pages.

bash

# Example WP-CLI commands to inventory and disable the vulnerable plugin
wp plugin list --name=woo-advanced-product-information --fields=name,status,version
wp plugin deactivate woo-advanced-product-information
wp plugin delete woo-advanced-product-information