CVE-2025-26558
📋 TL;DR
This DOM-based Cross-Site Scripting (XSS) vulnerability in the mkkmail Aparat Responsive WordPress plugin allows attackers to inject malicious scripts into web pages viewed by other users. The vulnerability affects all WordPress sites using the Aparat Responsive plugin version 1.3 and earlier. Attackers can steal session cookies, redirect users, or perform actions on their behalf.
💻 Affected Systems
- mkkmail Aparat Responsive 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 steal administrator session cookies, gain full control of WordPress site, install backdoors, deface website, or steal sensitive user data.
Likely Case
Attackers steal user session cookies, redirect visitors to malicious sites, or perform limited actions within the plugin's context.
If Mitigated
With proper input validation and output encoding, malicious scripts are neutralized before execution, preventing exploitation.
🎯 Exploit Status
DOM-based XSS typically requires user interaction (clicking a malicious link) but exploitation is straightforward once the attack vector is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.4 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Aparat Responsive' plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin, then install fresh version 1.4+ from WordPress repository.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily deactivate the vulnerable plugin until patched version is available.
wp plugin deactivate aparat-responsive
Content Security Policy
allImplement CSP headers to restrict script execution sources.
Add to .htaccess: Header set Content-Security-Policy "script-src 'self'"
Add to nginx config: add_header Content-Security-Policy "script-src 'self'";
🧯 If You Can't Patch
- Disable the Aparat Responsive plugin immediately.
- Implement web application firewall (WAF) rules to block XSS payloads targeting this plugin.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for 'Aparat Responsive' version 1.3 or lower.Check Version:
wp plugin get aparat-responsive --field=versionVerify Fix Applied:
Verify plugin version is 1.4 or higher in WordPress admin panel > Plugins > Installed Plugins.📡 Detection & Monitoring
Log Indicators:
- Unusual POST/GET requests to aparat-responsive endpoints with script tags or JavaScript payloads
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests containing malicious script payloads targeting the vulnerable plugin endpoints
SIEM Query:
source="web_logs" AND (uri_path="*aparat*" OR user_agent="*aparat*") AND (http_method="POST" OR http_method="GET") AND (request_body="*<script>*" OR uri_query="*<script>*")