CVE-2025-30920
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the WP Posts Carousel WordPress plugin allows attackers to inject malicious scripts into web pages. When users view pages containing the malicious content, the scripts execute in their browsers, potentially stealing credentials or performing unauthorized actions. All WordPress sites using WP Posts Carousel versions up to 1.3.7 are affected.
💻 Affected Systems
- WP Posts Carousel 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, deface websites, or redirect visitors to malicious sites, potentially leading to complete site compromise and data theft.
Likely Case
Attackers inject malicious JavaScript that steals user session cookies or credentials when visitors view affected pages, potentially compromising user accounts and enabling further attacks.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users, preventing execution while maintaining plugin functionality.
🎯 Exploit Status
Stored XSS vulnerabilities in WordPress plugins are commonly exploited. While no public PoC is confirmed, the vulnerability type suggests exploitation is straightforward for attackers with plugin access.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.3.8 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find WP Posts Carousel and click 'Update Now'. 4. Verify plugin version is 1.3.8 or higher.
🔧 Temporary Workarounds
Disable WP Posts Carousel Plugin
allTemporarily deactivate the vulnerable plugin until patched
wp plugin deactivate wp-posts-carousel
Implement WAF Rules
allConfigure web application firewall to block XSS payloads targeting the plugin
🧯 If You Can't Patch
- Remove WP Posts Carousel plugin entirely and use alternative carousel solutions
- Implement strict Content Security Policy (CSP) headers to mitigate script execution
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for WP Posts Carousel versionCheck Version:
wp plugin get wp-posts-carousel --field=versionVerify Fix Applied:
Verify plugin version is 1.3.8 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to wp-admin/admin-ajax.php with plugin parameters
- JavaScript payloads in plugin-related form submissions
Network Indicators:
- HTTP requests containing script tags or JavaScript in plugin parameter values
SIEM Query:
source="wordpress" AND ("wp-posts-carousel" OR "carousel") AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")