CVE-2023-30490

7.5 HIGH

📋 TL;DR

This CVE describes a Missing Authorization vulnerability in the Easing Slider WordPress plugin that allows unauthorized users to reset plugin settings. Attackers can exploit incorrectly configured access controls to modify slider configurations without proper authentication. All WordPress sites using Easing Slider versions up to 3.0.8 are affected.

💻 Affected Systems

Products:
  • Easing Slider WordPress Plugin
Versions: All versions up to and including 3.0.8
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects all WordPress installations with vulnerable plugin versions installed and activated.

⚠️ 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 reset all plugin settings, potentially breaking website functionality, injecting malicious content into sliders, or disrupting site operations.

🟠

Likely Case

Unauthorized users modify slider settings, causing display issues or injecting unwanted content that could redirect users or display malicious advertisements.

🟢

If Mitigated

With proper authorization controls, only authenticated administrators can modify plugin settings, preventing unauthorized changes.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

The vulnerability allows unauthenticated attackers to reset plugin settings via specific endpoints without proper authorization checks.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 3.0.9 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/easing-slider/vulnerability/wordpress-easing-slider-plugin-3-0-8-plugin-settings-reset-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Easing Slider and click 'Update Now'. 4. Alternatively, download version 3.0.9+ from WordPress repository and replace plugin files.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily deactivate Easing Slider plugin until patched

wp plugin deactivate easing-slider

Restrict Access

linux

Use web application firewall to block requests to vulnerable plugin endpoints

# Add to .htaccess: RewriteRule ^wp-content/plugins/easing-slider/.* - [F,L]

🧯 If You Can't Patch

  • Implement strict network access controls to limit who can access WordPress admin functionality
  • Monitor plugin settings changes and implement alerting for unauthorized modifications

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin > Plugins > Installed Plugins for Easing Slider version. If version is 3.0.8 or lower, you are vulnerable.

Check Version:

wp plugin get easing-slider --field=version

Verify Fix Applied:

After updating, verify plugin version shows 3.0.9 or higher in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • POST requests to easing-slider plugin endpoints from unauthorized IPs
  • Plugin settings reset logs without corresponding admin user activity

Network Indicators:

  • Unusual POST requests to /wp-content/plugins/easing-slider/ endpoints
  • Traffic to plugin admin functions from non-admin IPs

SIEM Query:

source="wordpress.log" AND "easing-slider" AND ("reset" OR "settings" OR "update") AND NOT user="admin"

🔗 References

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