CVE-2025-15491
📋 TL;DR
The Post Slides WordPress plugin through version 1.0.1 contains a Local File Inclusion (LFI) vulnerability. Authenticated users with contributor-level permissions or higher can exploit improper shortcode attribute validation to include arbitrary files from the server. This affects all WordPress sites using vulnerable versions of the Post Slides plugin.
💻 Affected Systems
- Post Slides 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 read sensitive server files (configuration files, password hashes, database credentials), potentially leading to full server compromise and data exfiltration.
Likely Case
Authenticated attackers reading WordPress configuration files (wp-config.php) to obtain database credentials and escalate access.
If Mitigated
Limited file read capability within web-accessible directories if proper file permissions are configured.
🎯 Exploit Status
Exploitation requires authenticated access but is straightforward once credentials are obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://wpscan.com/vulnerability/eb0424cc-e60c-44a5-aa24-cd1fe042b27a/
Restart Required: No
Instructions:
1. Check WordPress admin panel for plugin updates. 2. If no update available, disable or remove the Post Slides plugin. 3. Monitor plugin repository for security updates.
🔧 Temporary Workarounds
Disable Post Slides Plugin
allTemporarily disable the vulnerable plugin until a patch is available
wp plugin deactivate post-slides
Restrict User Roles
allLimit contributor and author roles to trusted users only
🧯 If You Can't Patch
- Implement strict file permissions (chmod 600 for sensitive files)
- Use web application firewall (WAF) rules to block LFI patterns
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Post Slides version. If version is 1.0.1 or earlier, you are vulnerable.Check Version:
wp plugin list --name=post-slides --field=versionVerify Fix Applied:
Verify Post Slides plugin is either updated to version after 1.0.1 or completely removed from plugins directory.📡 Detection & Monitoring
Log Indicators:
- Unusual file include requests in WordPress debug logs
- Multiple failed include attempts from same user
Network Indicators:
- HTTP requests with suspicious file path parameters in shortcode attributes
SIEM Query:
source="wordpress.log" AND "include" AND "post-slides" AND (".." OR "/etc/" OR "/proc/")