CVE-2025-62759
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the WordPress Series plugin allows attackers to inject malicious scripts into web pages that are then executed when other users view those pages. All WordPress sites using the Series plugin version 2.0.1 or earlier are affected. The vulnerability enables attackers to steal session cookies, redirect users, or perform actions on their behalf.
💻 Affected Systems
- WordPress Series plugin by Justin Tadlock
⚠️ 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 within the WordPress site.
If Mitigated
With proper input validation and output encoding, the malicious scripts would be neutralized, preventing execution and limiting impact to data display issues only.
🎯 Exploit Status
XSS vulnerabilities are commonly weaponized, and proof-of-concept details are publicly available in the advisory.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.0.2 or later
Vendor Advisory: https://patchstack.com/database/wordpress/plugin/series/vulnerability/wordpress-series-plugin-2-0-1-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 'Series' plugin. 4. Click 'Update Now' if update available. 5. Alternatively, download latest version from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable Series Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate series
Implement WAF Rules
allAdd web application firewall rules to block XSS payloads targeting Series plugin 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 → Plugins → Installed Plugins → Series plugin version. If version is 2.0.1 or earlier, you are vulnerable.Check Version:
wp plugin get series --field=versionVerify Fix Applied:
After updating, verify Series plugin version is 2.0.2 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to Series plugin endpoints containing script tags or JavaScript payloads
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests containing malicious script payloads targeting /wp-content/plugins/series/ endpoints
SIEM Query:
source="web_server_logs" AND (uri_path="/wp-content/plugins/series/" OR user_agent CONTAINS "<script>") AND (status_code=200 OR status_code=302)