CVE-2025-62146
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the MX Time Zone Clocks WordPress plugin allows attackers to inject malicious scripts into web pages that are then executed when other users view those pages. All WordPress sites using vulnerable versions of this plugin are affected, potentially compromising user sessions and site integrity.
💻 Affected Systems
- MX Time Zone Clocks 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 credentials, take over the WordPress site, deface content, or redirect users to malicious sites, potentially leading to complete site compromise and data theft.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies, perform actions on behalf of authenticated users, or display phishing content to visitors.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before execution, preventing any impact.
🎯 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 5.1.1
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'MX Time Zone Clocks' and check for updates. 4. If update is available, click 'Update Now'. 5. If no update appears, manually download latest version from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate mx-time-zone-clocks
Content Security Policy
allImplement strict CSP headers to mitigate XSS impact
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to nginx config: add_header Content-Security-Policy "default-src 'self'; script-src 'self'";
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block XSS payloads
- Restrict plugin access to trusted users only using WordPress role capabilities
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for MX Time Zone Clocks version. If version is 5.1.1 or lower, you are vulnerable.Check Version:
wp plugin get mx-time-zone-clocks --field=versionVerify Fix Applied:
After updating, verify plugin version shows higher than 5.1.1 in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to plugin admin pages
- Suspicious JavaScript payloads in request parameters
- Multiple failed XSS attempts in web server logs
Network Indicators:
- Malicious script injections in HTTP requests to plugin endpoints
- Unexpected external script loads from plugin pages
SIEM Query:
source="web_logs" AND (uri_path="/wp-admin/admin-ajax.php" OR uri_path CONTAINS "mx-time-zone-clocks") AND (request_body CONTAINS "<script>" OR request_body CONTAINS "javascript:" OR request_body CONTAINS "onerror=" OR request_body CONTAINS "onload=")