CVE-2025-24585
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the Event post WordPress plugin allows attackers to inject malicious scripts into web pages that are then executed when other users view those pages. The vulnerability affects all versions up to 5.9.7 of the plugin. WordPress sites using the vulnerable Event post plugin are at risk.
💻 Affected Systems
- Event post 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, perform actions as authenticated users, deface websites, or redirect users to malicious sites, potentially leading to complete site compromise.
Likely Case
Attackers inject malicious JavaScript that steals user session cookies or credentials when users view compromised event posts, leading to account takeover.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users, preventing exploitation.
🎯 Exploit Status
Stored XSS vulnerabilities are commonly exploited. The Patchstack reference provides technical details about the vulnerability.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 5.9.8 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Event post' plugin. 4. Click 'Update Now' if update is available. 5. Alternatively, download version 5.9.8+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable Event post plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate event-post
Implement WAF rules
allAdd web application firewall rules to block XSS payloads
🧯 If You Can't Patch
- Remove or disable the Event post plugin entirely
- Implement strict Content Security Policy (CSP) headers to mitigate XSS impact
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Event post → check if version is 5.9.7 or earlierCheck Version:
wp plugin get event-post --field=versionVerify Fix Applied:
Verify Event post plugin version is 5.9.8 or later in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to event post endpoints with script tags
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests containing JavaScript payloads to event post endpoints
- Unexpected outbound connections from WordPress site
SIEM Query:
source="web_server.log" AND ("event-post" OR "wp-admin/admin-ajax.php") AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")