CVE-2025-31732

4.3 MEDIUM

📋 TL;DR

This CVE describes a missing authorization vulnerability in the GB Gallery Slideshow WordPress plugin that allows attackers to bypass access controls. It affects all versions up to 1.3, potentially enabling unauthorized users to access restricted functionality. WordPress sites using this plugin are vulnerable.

💻 Affected Systems

Products:
  • GB Gallery Slideshow WordPress Plugin
Versions: n/a through 1.3
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: All WordPress installations using vulnerable plugin versions are affected regardless of configuration.

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could modify gallery content, inject malicious code, or access administrative functions depending on plugin capabilities.

🟠

Likely Case

Unauthorized users could modify gallery slideshow settings, add/remove images, or access backend functionality intended only for authenticated users.

🟢

If Mitigated

With proper network segmentation and authentication controls, impact would be limited to the specific plugin functionality.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Missing authorization vulnerabilities typically require minimal technical skill to exploit once the attack vector is identified.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.4 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/gb-gallery-slideshow/vulnerability/wordpress-gb-gallery-slideshow-plugin-1-3-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 GB Gallery Slideshow. 4. Click 'Update Now' if update available. 5. If no update, deactivate and delete plugin, then install fresh version 1.4+ from WordPress repository.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily deactivate the vulnerable plugin until patched version is available.

wp plugin deactivate gb-gallery-slideshow

Restrict Access

all

Use web application firewall rules to restrict access to plugin endpoints.

🧯 If You Can't Patch

  • Remove plugin entirely and use alternative gallery solution
  • Implement strict network access controls to limit who can reach WordPress admin interface

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for GB Gallery Slideshow version 1.3 or earlier.

Check Version:

wp plugin get gb-gallery-slideshow --field=version

Verify Fix Applied:

Verify plugin version is 1.4 or later in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unusual access to /wp-content/plugins/gb-gallery-slideshow/ endpoints from unauthenticated users
  • Failed authorization attempts to plugin-specific admin functions

Network Indicators:

  • HTTP requests to plugin endpoints without proper authentication headers
  • Unusual traffic patterns to /wp-admin/admin-ajax.php with plugin-specific actions

SIEM Query:

source="wordpress.log" AND (uri_path="/wp-content/plugins/gb-gallery-slideshow/*" OR user_agent CONTAINS "gb-gallery") AND http_status=200 AND auth_status="unauthenticated"

🔗 References

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