CVE-2025-31761
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the DEJAN Hypotext WordPress plugin allows attackers to inject malicious scripts into web pages. When users view pages containing the injected scripts, the attacker can steal session cookies, redirect users, or perform actions on their behalf. All WordPress sites using Hypotext plugin versions up to 1.0.1 are affected.
💻 Affected Systems
- DEJAN Hypotext 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 use the compromised site to attack visitors.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies, redirect users to phishing sites, or perform unauthorized actions in the context of logged-in users.
If Mitigated
With proper input validation and output encoding, the malicious scripts would be neutralized before reaching users, preventing exploitation.
🎯 Exploit Status
XSS vulnerabilities are commonly weaponized. The Patchstack advisory includes technical details that could be used to create exploits.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.2 or later
Vendor Advisory: https://patchstack.com/database/wordpress/plugin/hypotext/vulnerability/wordpress-hypotext-plugin-1-0-1-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 'Hypotext' plugin. 4. Click 'Update Now' if update is available. 5. If no update appears, manually download version 1.0.2+ from WordPress repository and replace the plugin files.
🔧 Temporary Workarounds
Disable Hypotext Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate hypotext
Implement WAF Rules
allConfigure web application firewall to block XSS payloads targeting Hypotext endpoints
🧯 If You Can't Patch
- Remove the Hypotext plugin entirely if not essential for site functionality
- Implement strict Content Security Policy (CSP) headers to mitigate XSS impact
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins → Hypotext version. If version is 1.0.1 or earlier, you are vulnerable.Check Version:
wp plugin get hypotext --field=versionVerify Fix Applied:
After updating, verify Hypotext plugin shows version 1.0.2 or later in WordPress admin plugins list.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to Hypotext plugin endpoints containing script tags or JavaScript payloads
- Multiple failed attempts to access Hypotext admin functions
Network Indicators:
- HTTP requests containing malicious script payloads in parameters sent to Hypotext endpoints
- Unexpected outbound connections from your WordPress site after visiting pages with Hypotext content
SIEM Query:
source="wordpress.log" AND ("hypotext" AND ("<script>" OR "javascript:" OR "onload=" OR "onerror="))