CVE-2025-31608
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the CookieHint WP WordPress plugin allows attackers to inject malicious scripts into web pages. When users view pages containing the malicious scripts, the attacker can steal session cookies, redirect users, or perform actions on their behalf. All WordPress sites using CookieHint WP version 1.0.0 or earlier are affected.
💻 Affected Systems
- CookieHint WP WordPress Plugin
⚠️ 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.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator session cookies, take over WordPress sites, install backdoors, deface websites, or redirect visitors to malicious sites.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies, potentially compromising user accounts and performing unauthorized actions.
If Mitigated
With proper input validation and output encoding, the malicious scripts would be rendered harmless as text rather than executable code.
🎯 Exploit Status
Stored XSS vulnerabilities are commonly exploited, though specific exploit details for this CVE aren't publicly documented.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 1.0.0
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find CookieHint WP. 4. Click 'Update Now' if available. 5. If no update is available, deactivate and delete the plugin.
🔧 Temporary Workarounds
Disable CookieHint WP Plugin
allTemporarily disable the vulnerable plugin until a patch is available
wp plugin deactivate cookiehint-wp
Implement WAF Rules
allConfigure web application firewall to block XSS payloads targeting CookieHint WP endpoints
🧯 If You Can't Patch
- Remove the CookieHint WP plugin completely from your WordPress installation
- Implement Content Security Policy (CSP) headers to restrict script execution sources
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for CookieHint WP version 1.0.0 or earlierCheck Version:
wp plugin list --name=cookiehint-wp --field=versionVerify Fix Applied:
Verify CookieHint WP plugin is either updated to version after 1.0.0 or completely removed from the plugins directory📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to CookieHint WP endpoints
- JavaScript payloads in input fields related to cookie consent
Network Indicators:
- Malicious script tags in HTTP requests to WordPress admin or plugin endpoints
SIEM Query:
source="wordpress.log" AND ("cookiehint" OR "CookieHint") AND ("script" OR "javascript" OR "onload" OR "onerror")