CVE-2025-31532

6.5 MEDIUM

📋 TL;DR

This stored cross-site scripting (XSS) vulnerability in the AtomChat WordPress plugin allows attackers to inject malicious scripts into web pages. When users view pages containing the injected scripts, the attacker can steal session cookies, redirect users, or perform actions on their behalf. All WordPress sites using AtomChat plugin versions up to 1.1.6 are affected.

💻 Affected Systems

Products:
  • AtomChat WordPress Plugin
Versions: n/a through 1.1.6
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: All WordPress installations with vulnerable AtomChat plugin versions are affected regardless of configuration.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could steal administrator session cookies, gain administrative access to WordPress sites, install backdoors, deface websites, or compromise user data.

🟠

Likely Case

Attackers inject malicious JavaScript to steal user session cookies, redirect users to phishing sites, or perform actions as authenticated users.

🟢

If Mitigated

With proper input validation and output encoding, malicious scripts would be neutralized before reaching users.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: LOW

XSS vulnerabilities are commonly exploited, and proof-of-concept details are publicly available.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.1.7 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/atomchat/vulnerability/wordpress-atomchat-plugin-1-1-6-cross-site-scripting-xss-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find AtomChat plugin. 4. Click 'Update Now' if update available. 5. Alternatively, download latest version from WordPress repository and replace plugin files.

🔧 Temporary Workarounds

Disable AtomChat Plugin

all

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate atomchat

Implement WAF Rules

all

Configure web application firewall to block XSS payloads targeting AtomChat endpoints

🧯 If You Can't Patch

  • Implement Content Security Policy (CSP) headers to restrict script execution
  • Enable WordPress security plugins with XSS protection features

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → Installed Plugins → AtomChat version

Check Version:

wp plugin get atomchat --field=version

Verify Fix Applied:

Verify AtomChat plugin version is 1.1.7 or higher in WordPress admin

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to AtomChat endpoints containing script tags or JavaScript
  • Multiple failed XSS attempts in web server logs

Network Indicators:

  • HTTP requests containing suspicious script payloads to /wp-content/plugins/atomchat/ paths

SIEM Query:

source="web_server" AND (uri_path="/wp-content/plugins/atomchat/" AND (http_method="POST" OR http_method="GET") AND (content="<script>" OR content="javascript:" OR content="onerror=" OR content="onload="))

🔗 References

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