CVE-2026-1931 – The Rent Fetch WordPress plugin contains a stor... (How to Fix)

📋 TL;DR

The Rent Fetch WordPress plugin contains a stored cross-site scripting (XSS) vulnerability in the 'keyword' parameter that allows unauthenticated attackers to inject malicious scripts. These scripts execute whenever users access compromised pages, potentially stealing credentials or performing unauthorized actions. All WordPress sites using Rent Fetch plugin versions up to 0.32.4 are affected.

💻 Affected Systems

Products:

Rent Fetch WordPress Plugin

Versions: All versions up to and including 0.32.4

Operating Systems: Any OS running WordPress

Default Config Vulnerable: ⚠️ Yes

Notes: Vulnerability exists in default configuration; no special configuration required for exploitation.

⚠️ 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.

Recommended Actions:

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, deface the website, or redirect users to malicious sites.

🟠

Likely Case

Attackers inject malicious JavaScript to steal user session cookies, redirect users to phishing pages, or display unwanted advertisements.

🟢

If Mitigated

With proper web application firewalls and input validation, the attack would be blocked or the malicious payload would be neutralized.

🌐 Internet-Facing: HIGH

🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes

Weaponized: LIKELY

Unauthenticated Exploit: ⚠️ Yes

Complexity: LOW

The vulnerability is well-documented with public proof-of-concept available in the commit diff. Attack requires no authentication and minimal technical skill.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Versions after 0.32.4

Vendor Advisory: https://plugins.trac.wordpress.org/browser/rentfetch/trunk/lib/admin/options-sections/options-general-section.php#L225

Restart Required: No

Instructions:

1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find Rent Fetch plugin
4. Click 'Update Now' if update available
5. If no update available, deactivate and remove plugin
6. Install latest version from WordPress plugin repository

🔧 Temporary Workarounds

Web Application Firewall Rule

all

Add WAF rule to block XSS payloads targeting the 'keyword' parameter

Add rule: 'keyword' parameter contains script tags or JavaScript patterns

Disable Plugin

linux

Temporarily disable Rent Fetch plugin until patched

wp plugin deactivate rentfetch

🧯 If You Can't Patch

Implement Content Security Policy (CSP) headers to restrict script execution
Deploy web application firewall with XSS protection rules

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → Rent Fetch version. If version is 0.32.4 or lower, you are vulnerable.

Check Version:

wp plugin list --name=rentfetch --field=version

Verify Fix Applied:

After update, verify plugin version is higher than 0.32.4. Test 'keyword' parameter with basic XSS payload to confirm sanitization.

📡 Detection & Monitoring

Log Indicators:

Unusual POST requests to admin-ajax.php with 'keyword' parameter containing script tags
Multiple failed XSS attempts in web server logs

Network Indicators:

HTTP requests with JavaScript payloads in 'keyword' parameter
Unusual outbound connections after page loads

SIEM Query:

source="web_logs" AND (keyword CONTAINS "<script>" OR keyword CONTAINS "javascript:")

📊 Metadata

CVE ID: CVE-2026-1931

CVSS v3 Score: 7.2 (HIGH)

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

CWE: CWE-79

Published: February 18, 2026

Last Updated: February 18, 2026

🔗 References

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