CVE-2025-53245
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the WP Logo Changer WordPress plugin allows attackers to inject malicious scripts into web pages that are then executed when users view those pages. The vulnerability affects all WordPress sites using WP Logo Changer version 1.2 or earlier. Attackers can exploit this to steal session cookies, redirect users, or perform actions on behalf of authenticated users.
💻 Affected Systems
- WP Logo Changer (am-login-logo)
⚠️ 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
An attacker could steal administrator session cookies, gain administrative access to the WordPress site, install backdoors, deface the site, or pivot to attack other systems.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies or credentials, potentially compromising user accounts and performing unauthorized actions.
If Mitigated
With proper input validation and output encoding, the malicious scripts would be neutralized before execution, preventing any impact.
🎯 Exploit Status
Stored XSS vulnerabilities in WordPress plugins are commonly exploited. While no public PoC is confirmed, similar vulnerabilities are frequently weaponized.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: > 1.2
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'WP Logo Changer' and check if update is available. 4. Click 'Update Now' or manually update to version >1.2. 5. Verify the plugin is updated to a patched version.
🔧 Temporary Workarounds
Disable WP Logo Changer Plugin
allTemporarily disable the vulnerable plugin until patched version is available
wp plugin deactivate am-login-logo
Implement WAF Rules
allConfigure web application firewall to block XSS payloads targeting the plugin
🧯 If You Can't Patch
- Remove the WP Logo Changer plugin completely from the WordPress installation
- Implement strict Content Security Policy (CSP) headers to mitigate XSS impact
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for WP Logo Changer version. If version is 1.2 or lower, the site is vulnerable.Check Version:
wp plugin get am-login-logo --field=versionVerify Fix Applied:
After updating, verify the plugin version shows >1.2 in WordPress admin panel and test functionality to ensure the plugin works correctly.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to plugin endpoints
- JavaScript payloads in request parameters
- Multiple failed login attempts following suspicious requests
Network Indicators:
- Outbound connections to suspicious domains from your WordPress server
- Unexpected iframe or script tags in HTTP responses
SIEM Query:
source="wordpress.log" AND ("am-login-logo" OR "wp-logo-changer") AND ("script" OR "javascript" OR "onload" OR "onerror")