CVE-2025-5568: WpEvently Plugin XSS Vulnerability

CVE-2025-5568 Overview

The WpEvently plugin (also known as mage-eventpress, Event Manager and Tickets Selling for WooCommerce) for WordPress contains a stored Cross-Site Scripting (XSS) vulnerability. The flaw exists in all versions up to and including 4.4.2. Multiple plugin parameters fail to properly sanitize input and escape output. Authenticated users with Contributor-level access or higher can inject arbitrary JavaScript into pages. The payload executes in the browser of any user who visits the affected page. The vendor addressed the issue in version 4.4.3, released on 04 June 2025.

Critical Impact
Authenticated contributors can persist malicious JavaScript that executes against site visitors and administrators, enabling session theft, forced actions, and potential site takeover through follow-on attacks.

Affected Products

Mage-people Event Manager and Tickets Selling for WooCommerce (WpEvently) versions ≤ 4.4.2
WordPress installations running the mage-eventpress plugin
Sites permitting Contributor-level or higher user registration

Discovery Timeline

2025-06-07 - CVE-2025-5568 published to the National Vulnerability Database (NVD)
2025-06-04 - Vendor releases WpEvently 4.4.3 containing the fix (per plugin changelog)
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-5568

Vulnerability Analysis

The vulnerability is a stored Cross-Site Scripting (XSS) flaw classified under [CWE-79]. The WpEvently plugin accepts user input through multiple parameters exposed to authenticated users. The plugin writes this input into rendered pages without adequate sanitization or contextual output escaping. Because the payload persists in the WordPress database, every visitor to the affected event page executes the injected script.

Exploitation requires an authenticated account at Contributor level or above. The scope change component in the CVSS vector reflects that injected scripts execute in the browser context of other users, including administrators. Successful exploitation can lead to session token theft, forced administrative actions through cross-site request forgery, credential harvesting via injected forms, and pivot to full site compromise.

Root Cause

The root cause is missing input sanitization on write and missing output escaping on render. The plugin does not apply WordPress helpers such as sanitize_text_field(), wp_kses_post(), or esc_attr() and esc_html() on the affected parameters. Multiple event and ticket parameters are impacted rather than a single field.

Attack Vector

An attacker with Contributor privileges submits event or ticket content containing an HTML or JavaScript payload through the plugin's editing interface. The payload is stored in the WordPress database as part of the event post metadata. When any user later browses the injected event page, the browser parses and executes the attacker-controlled script under the site's origin.

The following patch reference documents the corrected release:

text

== Changelog ==

= 4.4.3 =
* Mobile responsive issue fixed
* Removed org link from event list page
* Missing style issue fixed
  04 June 2025*

= 4.4.1 =
* Double Email Sending issue fixed
* FAQ, Email Text, Timeline not save issue fixed
* UI & UX Improved
* Recurring Stat page design optimized.
  29 May 2025*

Source: GitHub commit c6f8d32. The public changelog references the 4.4.3 release; the security-relevant sanitization changes are contained in the linked WordPress Trac changeset.

Detection Methods for CVE-2025-5568

Indicators of Compromise

Event or ticket post content containing <script> tags, inline event handlers such as onerror=, onload=, or javascript: URIs
Unexpected outbound requests from visitor browsers to attacker-controlled domains loaded from event pages
New WordPress administrator accounts, plugin installations, or role changes made shortly after visits to event pages
Contributor accounts creating or editing events with unusually large or obfuscated HTML payloads

Detection Strategies

Query the wp_posts and wp_postmeta tables for content associated with the mage-eventpress post type containing script tags or event-handler attributes
Review WordPress audit logs for post edits by Contributor-level accounts targeting event objects
Inspect web server access logs for POST requests to plugin admin endpoints followed by anomalous GET requests to public event URLs
Scan rendered event pages with a headless browser and flag any script execution originating from non-allowlisted domains

Monitoring Recommendations

Enable and forward WordPress audit logs to a centralized log platform for correlation across user actions and page views
Alert on creation or promotion of Contributor and higher accounts on sites that permit self-registration
Monitor for administrative session activity immediately following administrator visits to Contributor-authored event pages
Baseline Content Security Policy (CSP) violation reports to surface unexpected inline script execution on event templates

How to Mitigate CVE-2025-5568

Immediate Actions Required

Update the WpEvently plugin to version 4.4.3 or later on all WordPress sites
Audit existing event and ticket content for stored script payloads and remove any malicious entries
Review Contributor and Author accounts, revoking any that are unrecognized or inactive
Rotate administrator credentials and invalidate active sessions if injection is confirmed

Patch Information

The vendor released WpEvently 4.4.3 on 04 June 2025 with the sanitization fix. The change is tracked in WordPress Plugin Trac changeset 3307484 and the Wordfence vulnerability report. Administrators can update through the WordPress plugin dashboard or via WP-CLI.

Workarounds

Restrict user registration and limit Contributor-level assignments to trusted staff only until patching completes
Deploy a Web Application Firewall (WAF) rule that blocks script tags and event handler attributes in POST bodies to plugin endpoints
Apply a strict Content Security Policy that disallows inline scripts on pages rendered by the plugin
Temporarily deactivate the WpEvently plugin on sites that cannot be updated immediately

bash

# Update WpEvently to the patched release using WP-CLI
wp plugin update mage-eventpress --version=4.4.3

# Verify installed version
wp plugin get mage-eventpress --field=version

# Audit event posts for script payloads
wp db query "SELECT ID, post_title FROM wp_posts \
  WHERE post_type='mep_events' \
  AND (post_content LIKE '%<script%' \
    OR post_content LIKE '%onerror=%' \
    OR post_content LIKE '%javascript:%');"