CVE-2025-24570: Atarim Visual Collaboration XSS Flaw

CVE-2025-24570 Overview

CVE-2025-24570 is a Stored Cross-Site Scripting (XSS) vulnerability affecting the Atarim Visual Collaboration plugin for WordPress, developed by Vito Peleg. This vulnerability stems from improper neutralization of input during web page generation, allowing attackers to inject malicious scripts that persist in the application and execute whenever users view the affected content.

The Atarim plugin is designed for visual feedback and collaboration on WordPress websites, making it a popular tool among agencies and web development teams. The stored nature of this XSS vulnerability means that malicious payloads are saved server-side and delivered to all users who access the compromised pages, significantly amplifying the potential impact.

Critical Impact

Attackers can inject persistent malicious scripts that execute in the browsers of all users who view affected pages, potentially leading to session hijacking, credential theft, and unauthorized actions on behalf of authenticated users.

Affected Products

• Atarim Visual Collaboration plugin for WordPress versions through 4.0.8
• WordPress installations with vulnerable Atarim plugin versions

Discovery Timeline

• 2025-01-24 - CVE-2025-24570 published to NVD
• 2026-04-23 - Last updated in NVD database

Technical Details for CVE-2025-24570

Vulnerability Analysis

This Stored Cross-Site Scripting vulnerability (CWE-79) allows attackers to inject malicious scripts into the Atarim Visual Collaboration plugin. Unlike reflected XSS attacks that require victims to click specially crafted links, stored XSS payloads persist within the application's data storage and automatically execute when legitimate users access the affected content.

The vulnerability requires no authentication from the attacker, though user interaction from the victim is necessary for the payload to execute. The attack can affect users beyond the original vulnerable application's scope, potentially impacting confidentiality, integrity, and availability of user sessions and data.

Root Cause

The vulnerability arises from insufficient input sanitization and output encoding within the Atarim plugin. When user-supplied data is processed and stored by the plugin, malicious script content is not properly neutralized before being rendered in web pages. This allows HTML and JavaScript code to be injected and stored, which then executes in the context of other users' browser sessions when they view the affected content.

Attack Vector

The attack can be conducted remotely over the network without requiring authentication. An attacker can submit malicious input through the plugin's visual collaboration features, where the payload is stored in the WordPress database. When other users—including administrators—view pages containing the malicious content, the script executes within their browser session with their privileges.

Exploitation scenarios include:

• Session Hijacking: Stealing session cookies to impersonate authenticated users
• Credential Theft: Injecting fake login forms to harvest credentials
• Privilege Escalation: Performing actions as administrators if they view the compromised content
• Malware Distribution: Redirecting users to malicious websites or triggering drive-by downloads

Detection Methods for CVE-2025-24570

Indicators of Compromise

• Unexpected <script> tags, javascript: URI schemes, or event handlers (onerror, onload, onclick) in plugin database entries
• Unusual outbound connections from client browsers when viewing collaboration content
• Reports of suspicious behavior from users accessing pages with Atarim collaboration features

Detection Strategies

• Monitor web application logs for suspicious input patterns containing script tags or encoded JavaScript
• Implement Content Security Policy (CSP) headers to detect and block inline script execution
• Regularly audit database content for stored XSS payloads in Atarim-related tables
• Use web application firewalls (WAF) with XSS detection rules to identify injection attempts

Monitoring Recommendations

• Enable WordPress security plugins with XSS scanning capabilities
• Monitor browser console errors and CSP violation reports from production environments
• Implement logging for all user input submitted through the Atarim plugin
• Set up alerts for unusual JavaScript execution patterns or suspicious DOM modifications

How to Mitigate CVE-2025-24570

Immediate Actions Required

• Update the Atarim Visual Collaboration plugin to a version newer than 4.0.8 when available
• Audit existing plugin content for malicious scripts and remove any suspicious entries
• Implement Content Security Policy headers to mitigate the impact of any existing XSS payloads
• Consider temporarily disabling the plugin until a patch is applied if sensitive data is at risk

Patch Information

Review the Patchstack Vulnerability Report for the latest patch information and update recommendations. Ensure that automatic updates are enabled for WordPress plugins or manually update to patched versions as they become available.

Workarounds

• Implement strict Content Security Policy headers to prevent inline script execution
• Use a Web Application Firewall (WAF) with XSS filtering rules to block malicious input
• Restrict access to the Atarim plugin features to trusted users only until patched
• Regularly scan database content for XSS payloads using security tools