CVE-2025-31535
📋 TL;DR
This DOM-based Cross-Site Scripting (XSS) vulnerability in the Simple Owl Carousel WordPress plugin allows attackers to inject malicious scripts into web pages viewed by other users. The vulnerability affects all WordPress sites using Simple Owl Carousel versions up to 1.1.1. Attackers can steal session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users.
💻 Affected Systems
- PressTigers Simple Owl 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, install backdoors, deface websites, or redirect visitors to phishing/malware sites.
Likely Case
Attackers inject malicious scripts to steal user session cookies, redirect visitors to malicious sites, or perform limited actions on behalf of authenticated users.
If Mitigated
With proper input validation and output encoding, the vulnerability would be prevented, and impact would be limited to failed exploitation attempts.
🎯 Exploit Status
XSS vulnerabilities are commonly weaponized, and DOM-based XSS can be exploited without server-side interaction.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.1.2 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Simple Owl Carousel. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin, then install fresh version from WordPress repository.
🔧 Temporary Workarounds
Disable Simple Owl Carousel Plugin
allTemporarily disable the vulnerable plugin until patched version is available
wp plugin deactivate simple-owl-carousel
Implement Content Security Policy
allAdd CSP headers to mitigate XSS impact
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to wp-config.php: header("Content-Security-Policy: default-src 'self'; script-src 'self'");
🧯 If You Can't Patch
- Disable Simple Owl Carousel plugin immediately
- Implement web application firewall (WAF) rules to block XSS payloads
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin > Plugins > Installed Plugins for Simple Owl Carousel versionCheck Version:
wp plugin get simple-owl-carousel --field=versionVerify Fix Applied:
Verify plugin version is 1.1.2 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual POST/GET requests containing script tags or JavaScript payloads to carousel endpoints
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests containing malicious script payloads in parameters
- Unusual outbound connections from user browsers after visiting affected pages
SIEM Query:
source="web_logs" AND (uri="*simple-owl-carousel*" OR uri="*owl-carousel*") AND (message="*<script>*" OR message="*javascript:*" OR message="*onload=*" OR message="*onerror=*")