CVE-2025-68893

4.9 MEDIUM

📋 TL;DR

This SSRF vulnerability in the HETWORKS WordPress Image Shrinker plugin allows attackers to make the server send requests to internal or external systems. It affects WordPress sites using this plugin from all versions up to and including 1.1.0. Attackers could potentially access internal services or use the server as a proxy for malicious requests.

💻 Affected Systems

Products:
  • HETWORKS WordPress Image Shrinker
Versions: n/a through 1.1.0
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Affects WordPress installations with the vulnerable plugin active. No special configuration required.

⚠️ 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 access internal services, exfiltrate sensitive data, or use the server to attack other systems, potentially leading to data breaches or lateral movement within the network.

🟠

Likely Case

Attackers scan internal networks, access metadata services, or use the server as a proxy for scanning external targets, potentially exposing internal infrastructure details.

🟢

If Mitigated

With proper network segmentation and egress filtering, impact is limited to information disclosure about accessible internal services.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: LOW

🎯 Exploit Status

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

SSRF vulnerabilities typically require some level of access or user interaction, but exploitation is straightforward once the vulnerability is identified.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.1.1 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/wp-image-shrinker/vulnerability/wordpress-wordpress-image-shrinker-plugin-1-1-0-server-side-request-forgery-ssrf-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'WordPress Image Shrinker'. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin, then install fresh version from WordPress repository.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily deactivate the vulnerable plugin until patched

wp plugin deactivate wp-image-shrinker

Network Egress Filtering

all

Restrict outbound HTTP/HTTPS requests from web server to only necessary destinations

🧯 If You Can't Patch

  • Deactivate and remove the WordPress Image Shrinker plugin immediately
  • Implement web application firewall rules to block SSRF patterns in requests

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for 'WordPress Image Shrinker' version 1.1.0 or earlier

Check Version:

wp plugin list --name='WordPress Image Shrinker' --field=version

Verify Fix Applied:

Verify plugin version is 1.1.1 or later in WordPress admin panel, or confirm plugin is removed

📡 Detection & Monitoring

Log Indicators:

  • Unusual outbound HTTP requests from web server to internal IP ranges
  • Requests to metadata services (169.254.169.254, etc.)
  • Multiple failed connection attempts to various internal IPs

Network Indicators:

  • Web server making unexpected HTTP requests to internal network segments
  • Traffic to cloud metadata endpoints from web server

SIEM Query:

source="web_server_logs" AND (url CONTAINS "internal_ip" OR url CONTAINS "metadata" OR url CONTAINS "169.254")

🔗 References

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