CVE-2025-1439
📋 TL;DR
This stored XSS vulnerability in the Advanced iFrame WordPress plugin allows authenticated attackers with contributor-level access or higher to inject malicious scripts via the 'src' attribute in shortcodes. The scripts execute when users visit compromised pages, potentially stealing credentials or performing unauthorized actions. All WordPress sites using Advanced iFrame versions up to 2024.5 are affected.
💻 Affected Systems
- Advanced iFrame WordPress Plugin
📦 What is this software?
Advanced Iframe by Tinywebgallery
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator credentials, install backdoors, redirect users to malicious sites, or deface the entire website, potentially leading to complete site compromise and data theft.
Likely Case
Attackers with contributor access inject malicious scripts to steal user session cookies, perform actions as authenticated users, or display phishing content to visitors.
If Mitigated
With proper user role management and content review, impact is limited to potential defacement of specific pages containing the malicious iframe.
🎯 Exploit Status
Exploitation requires authenticated access (contributor role or higher) and knowledge of WordPress shortcode usage.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 2024.5
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Advanced iFrame and click 'Update Now'. 4. Alternatively, download latest version from WordPress plugin repository and replace plugin files.
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDisable the Advanced iFrame plugin until patched
wp plugin deactivate advanced-iframe
User Role Restriction
allTemporarily restrict contributor-level users from editing posts/pages
Use WordPress role management plugins or custom code to modify capabilities
🧯 If You Can't Patch
- Implement strict content review process for all posts/pages created by contributor-level users
- Use web application firewall (WAF) rules to block suspicious iframe src attributes and XSS payloads
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Advanced iFrame → Version. If version is 2024.5 or earlier, you are vulnerable.Check Version:
wp plugin get advanced-iframe --field=versionVerify Fix Applied:
After update, verify version is later than 2024.5. Test by creating a post with advanced_iframe shortcode containing suspicious src attributes.📡 Detection & Monitoring
Log Indicators:
- Unusual post/page edits by contributor users
- Multiple iframe shortcode modifications in short timeframe
- Posts containing suspicious src attributes in advanced_iframe shortcodes
Network Indicators:
- Outbound connections to unusual domains from iframe content
- Suspicious JavaScript execution patterns in page responses
SIEM Query:
source="wordpress" AND (event="post_modified" OR event="page_modified") AND user_role="contributor" AND content CONTAINS "advanced_iframe" AND content CONTAINS "src="