CVE-2025-8071: Mine CloudVod WordPress Plugin XSS Flaw

CVE-2025-8071 Overview

CVE-2025-8071 is a Stored Cross-Site Scripting (XSS) vulnerability [CWE-79] in the Mine CloudVod plugin for WordPress. The flaw affects all versions up to and including 2.1.10. It stems from insufficient input sanitization and output escaping on the audio parameter processed in the plugin's render.php audio player component. Authenticated users with Contributor-level access or higher can inject arbitrary JavaScript that executes when other users view an affected page. The issue was fixed in version 2.2.0.

Critical Impact
Authenticated contributors can inject persistent JavaScript into pages, enabling session theft, administrative action hijacking, and redirection of site visitors.

Affected Products

Mine CloudVod plugin for WordPress, all versions ≤ 2.1.10
Component: build/audioplayer/render.php (audio parameter handler)
Fixed in Mine CloudVod version 2.2.0

Discovery Timeline

2025-07-24 - CVE-2025-8071 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-8071

Vulnerability Analysis

The vulnerability lives in the plugin's audio player rendering logic. The audio shortcode parameter flows into rendered HTML output without adequate sanitization or output escaping. Because the value is stored in post content, injected scripts persist and execute for every visitor who loads the page, making this a stored (persistent) XSS rather than a reflected one.

Stored XSS on a WordPress site carries elevated risk because it can execute in the browser of an administrator viewing the affected post. Executed script runs with the victim's session privileges, allowing attackers to perform actions such as creating admin accounts, modifying plugin settings, or exfiltrating nonces and cookies subject to browser scope.

Exploitation requires Contributor-level authentication, which limits opportunistic mass attacks. However, many WordPress sites allow open registration or delegate content creation to low-trust users, keeping the attack surface meaningful.

Root Cause

The root cause is missing input sanitization on the audio shortcode attribute and missing output escaping when the value is emitted in the audio player's HTML. WordPress provides functions such as sanitize_text_field(), esc_attr(), and esc_url() that should wrap user-controlled values before rendering. The vulnerable code in render.php at line 66 emits the parameter directly into markup.

Attack Vector

An authenticated attacker with Contributor privileges inserts the plugin's audio shortcode into a post, supplying a malicious value in the audio attribute that closes the surrounding HTML context and introduces a <script> tag or event handler. When any user, including administrators, previews or views the post, the payload executes in that user's browser session. Refer to the Wordfence Vulnerability Report #5f3cd194 for additional technical context.

// No verified public exploit code available.
// See the referenced advisory and plugin source for details:
// https://plugins.trac.wordpress.org/browser/mine-cloudvod/tags/2.1.10/build/audioplayer/render.php#L66

Detection Methods for CVE-2025-8071

Indicators of Compromise

Post or page content containing the Mine CloudVod audio shortcode with audio attribute values that include <script>, javascript:, onerror=, or other event handler payloads.
Unexpected outbound requests from administrator browsers to attacker-controlled domains shortly after viewing plugin-rendered content.
New administrator accounts or plugin/theme changes created shortly after an administrator viewed a page rendered by the vulnerable plugin.

Detection Strategies

Query the wp_posts table for content containing the Mine CloudVod shortcode combined with suspicious substrings such as <script, onerror, onload, or javascript: in the audio parameter.
Inspect render.php output in staging environments with a browser DevTools console to identify unescaped attribute values.
Deploy a Content Security Policy (CSP) in report-only mode to surface inline script violations originating from post content.

Monitoring Recommendations

Log and alert on WordPress role changes, plugin activations, and administrator account creation events.
Monitor edits by Contributor-level and Author-level accounts, especially those introducing plugin shortcodes.
Track browser telemetry from privileged administrative sessions for anomalous script execution or credential exfiltration attempts.

How to Mitigate CVE-2025-8071

Immediate Actions Required

Upgrade the Mine CloudVod plugin to version 2.2.0 or later on all WordPress sites.
Audit existing posts and pages for the plugin's audio shortcode and inspect the audio attribute for injected script content.
Review recent Contributor and Author registrations, disabling accounts that appear illegitimate.
Rotate administrator passwords and invalidate active sessions if injected payloads are found.

Patch Information

The vendor addressed the flaw in Mine CloudVod version 2.2.0. Compare the rendering logic between the vulnerable render.php v2.1.10 and the patched render.php v2.2.0. See the WordPress Changeset Overview for the full patch diff and the WordPress Plugin Developer Information page for release notes.

Workarounds

Deactivate the Mine CloudVod plugin until the patched version can be deployed.
Restrict Contributor and Author role assignments and disable open user registration where feasible.
Deploy a Web Application Firewall (WAF) rule that blocks shortcode input containing script tags or event handler attributes.
Enforce a strict Content Security Policy that prohibits inline script execution site-wide.

bash

# Update the plugin via WP-CLI on affected hosts
wp plugin update mine-cloudvod --version=2.2.0

# Or temporarily deactivate if patching must be delayed
wp plugin deactivate mine-cloudvod