CVE-2025-5116

6.4 MEDIUM

📋 TL;DR

The WP Plugin Info Card WordPress plugin has a stored cross-site scripting vulnerability in all versions up to 5.3.1. Authenticated attackers with Contributor-level access or higher can inject malicious scripts via the 'containerid' parameter, which execute when users view affected pages. This affects WordPress sites using the vulnerable plugin version.

💻 Affected Systems

Products:
  • WP Plugin Info Card WordPress Plugin
Versions: All versions up to and including 5.3.1
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with the vulnerable plugin. Contributor-level access or higher needed for exploitation.

⚠️ 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 steal administrator credentials, deface websites, redirect users to malicious sites, or install backdoors for persistent access.

🟠

Likely Case

Attackers with contributor accounts inject malicious scripts to steal user session cookies or credentials from visitors.

🟢

If Mitigated

With proper user access controls and content security policies, impact is limited to script execution in the context of the vulnerable page.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires authenticated access but is straightforward once authenticated. The vulnerability is due to incomplete patching of CVE-2025-31835.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 5.3.2 or later

Vendor Advisory: https://wordpress.org/plugins/wp-plugin-info-card/#developers

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'WP Plugin Info Card'. 4. Click 'Update Now' if available. 5. Alternatively, download version 5.3.2+ from WordPress repository and manually update.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate wp-plugin-info-card

Restrict User Roles

all

Limit contributor-level access to trusted users only

🧯 If You Can't Patch

  • Remove contributor access from untrusted users
  • Implement Content Security Policy headers to restrict script execution

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Installed Plugins for WP Plugin Info Card version ≤5.3.1

Check Version:

wp plugin list --name=wp-plugin-info-card --field=version

Verify Fix Applied:

Confirm plugin version is 5.3.2 or higher in WordPress admin

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to wp-admin with containerid parameter containing script tags
  • Multiple failed login attempts followed by successful contributor login

Network Indicators:

  • Outbound connections to suspicious domains from WordPress server after page views

SIEM Query:

source="wordpress.log" AND "containerid" AND ("<script>" OR "javascript:")

🔗 References

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