CVE-2025-28996
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the GPP Slideshow WordPress plugin that allows attackers to bypass access controls. It affects all versions up to 1.3.5, potentially enabling unauthorized access to functionality. WordPress sites using vulnerable versions of this plugin are at risk.
💻 Affected Systems
- GPP Slideshow 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 modify slideshow content, inject malicious code, or access administrative functions depending on plugin capabilities.
Likely Case
Unauthorized users could modify slideshow settings or content without proper authentication.
If Mitigated
With proper access controls and authentication, only authorized users can modify slideshow content.
🎯 Exploit Status
Missing authorization vulnerabilities typically require minimal technical skill to exploit once the attack vector is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 1.3.5
Vendor Advisory: https://patchstack.com/database/wordpress/plugin/gpp-slideshow/vulnerability/wordpress-gpp-slideshow-1-3-5-broken-access-control-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find GPP Slideshow and click 'Update Now' if available. 4. If no update is available, deactivate and delete the plugin, then install the latest version from WordPress repository.
🔧 Temporary Workarounds
Disable GPP Slideshow Plugin
allTemporarily disable the vulnerable plugin until patched version is available
wp plugin deactivate gpp-slideshow
Restrict Access via Web Application Firewall
allConfigure WAF rules to block unauthorized access to GPP Slideshow endpoints
🧯 If You Can't Patch
- Implement strict network segmentation to isolate WordPress installation
- Enable detailed logging and monitoring for unauthorized access attempts to plugin endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for GPP Slideshow version 1.3.5 or earlierCheck Version:
wp plugin list --name=gpp-slideshow --field=versionVerify Fix Applied:
Verify plugin version is higher than 1.3.5 in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unauthorized POST/PUT requests to GPP Slideshow endpoints
- Multiple failed authentication attempts followed by successful access to slideshow functions
Network Indicators:
- Unusual traffic patterns to /wp-content/plugins/gpp-slideshow/ endpoints from unauthorized IPs
SIEM Query:
source="wordpress.log" AND (uri_path="/wp-content/plugins/gpp-slideshow/" OR plugin="gpp-slideshow") AND (response_code=200 OR response_code=201) AND user="unauthenticated"