CVE-2025-62894
📋 TL;DR
This stored XSS vulnerability in the ACF Recent Posts Widget WordPress plugin allows attackers to inject malicious scripts into web pages that persist across sessions. Attackers can steal session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users. WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- magicoders ACF Recent Posts Widget 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, install backdoors, or deface the website completely.
Likely Case
Attackers steal user session cookies, redirect visitors to phishing sites, or perform limited actions as authenticated users.
If Mitigated
With proper input validation and output encoding, the malicious scripts would be neutralized before execution.
🎯 Exploit Status
Exploitation requires the ability to inject malicious input into the widget, which typically requires some level of access or user interaction.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 5.9.3
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'ACF Recent Posts Widget'. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable Plugin
WordPressTemporarily disable the vulnerable plugin until patched
wp plugin deactivate acf-recent-posts-widget
Input Sanitization
WordPressImplement custom input validation and output encoding for widget fields
🧯 If You Can't Patch
- Remove the ACF Recent Posts Widget from all pages and posts
- Implement a Web Application Firewall (WAF) with XSS protection rules
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin > Plugins > Installed Plugins for ACF Recent Posts Widget version
Check Version:
wp plugin get acf-recent-posts-widget --field=version
Verify Fix Applied:
Verify plugin version is greater than 5.9.3 in WordPress admin
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to widget-related endpoints
- Suspicious script tags in widget content
Network Indicators:
- Malicious script payloads in HTTP requests
- Unexpected redirects from widget pages
SIEM Query:
source="wordpress.log" AND "acf-recent-posts-widget" AND ("script" OR "javascript:" OR "onclick" OR "onload")