CVE-2025-2579
📋 TL;DR
The Lottie Player WordPress plugin up to version 1.1.8 has a stored cross-site scripting vulnerability that allows authenticated attackers with Author-level access or higher to upload malicious files containing JavaScript. When users access these uploaded files, the scripts execute in their browsers, potentially stealing session cookies or performing unauthorized actions. This affects all WordPress sites using vulnerable versions of the plugin.
💻 Affected Systems
- Embed Lottie Player 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 users to malicious sites, potentially leading to complete site compromise and data theft.
Likely Case
Attackers with Author accounts inject malicious scripts that steal user session cookies or perform unauthorized actions on behalf of users, leading to account compromise and potential privilege escalation.
If Mitigated
With proper user access controls and content security policies, the impact is limited to the specific uploaded file's context, preventing widespread site compromise.
🎯 Exploit Status
Exploitation requires authenticated access with Author privileges or higher. The vulnerability is in file upload handling with insufficient sanitization.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.1.9 or later
Vendor Advisory: https://wordpress.org/plugins/embed-lottie-player/#developers
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Embed Lottie Player' and check for updates. 4. Update to version 1.1.9 or later. 5. Verify the update completed successfully.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate embed-lottie-player
Restrict User Roles
allRemove Author-level permissions from untrusted users
wp user list --role=author --field=ID
wp user set-role <user_id> contributor
🧯 If You Can't Patch
- Implement strict Content Security Policy headers to prevent script execution from untrusted sources
- Regularly audit user accounts and remove unnecessary Author-level permissions
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins → Embed Lottie Player version. If version is 1.1.8 or lower, you are vulnerable.Check Version:
wp plugin get embed-lottie-player --field=versionVerify Fix Applied:
After updating, verify the plugin version shows 1.1.9 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads by Author-level users
- Multiple file upload attempts with suspicious extensions
- User role changes to Author level
Network Indicators:
- Unexpected JavaScript execution from uploaded files
- Requests to uploaded files with script parameters
SIEM Query:
source="wordpress" AND (event="file_upload" AND user_role="author" OR plugin="embed-lottie-player" AND version<="1.1.8")🔗 References
- https://plugins.trac.wordpress.org/browser/embed-lottie-player/tags/1.1.8/plugin.php#L130
- https://plugins.trac.wordpress.org/browser/embed-lottie-player/tags/1.1.8/plugin.php#L82
- https://wordpress.org/plugins/embed-lottie-player/#developers
- https://www.wordfence.com/threat-intel/vulnerabilities/id/b85b314d-a155-4cec-95c9-0db4b9d8e59b?source=cve
