CVE-2022-40700 – This CVE describes a Server-Side Request Forger... (How to Fix)

Q: What is the severity of CVE-2022-40700?

CVE-2022-40700 has a CVSS score of 8.2 (HIGH). This CVE describes a Server-Side Request Forgery (SSRF) vulnerability affecting multiple WordPress plugins and themes. It allows attackers to make unauthorized requests from the vulnerable server to internal or external systems. Users of the listed WordPress plugins and themes are affected.

📋 TL;DR

This CVE describes a Server-Side Request Forgery (SSRF) vulnerability affecting multiple WordPress plugins and themes. It allows attackers to make unauthorized requests from the vulnerable server to internal or external systems. Users of the listed WordPress plugins and themes are affected.

💻 Affected Systems

Products:

Montonio for WooCommerce
Wpopal Core Features
ArcStone wp-amo
WooVirtualWallet
WooVIP
WooSupply
Theme Minifier
Styles
WordPress Page Builder - Qards
PHPFreeChat
Custom Login Admin Front-end CSS
CSS Adder By Agence-Press
Confirm Data
AMP Toolbox
Admin CSS MU

Versions: Various versions up to: Montonio 6.0.1, Wpopal 1.5.8, ArcStone 4.6.6, WooVirtualWallet 2.2.1, WooVIP 1.4.4, WooSupply 1.2.2, Theme Minifier 2.0, Styles 1.2.3, Qards 1.0.5, PHPFreeChat 0.2.8, Custom Login 1.4.1, CSS Adder 1.5.0, Confirm Data 1.0.7, AMP Toolbox 2.1.1, Admin CSS MU 2.6

Operating Systems: All operating systems running WordPress

Default Config Vulnerable: ⚠️ Yes

Notes: All listed WordPress plugins and themes are vulnerable in their default configurations. The vulnerability affects multiple unrelated products.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could access internal services, exfiltrate sensitive data, perform port scanning of internal networks, or chain with other vulnerabilities to achieve remote code execution.

🟠

Likely Case

Unauthorized access to internal services, data exfiltration from internal systems, or using the vulnerable server as a proxy for attacks against other systems.

🟢

If Mitigated

Limited impact if network segmentation restricts internal access and external requests are filtered, though the vulnerability still exists.

🌐 Internet-Facing: HIGH

🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ⚠️ Yes

Complexity: LOW

Based on CWE-918 and CVSS 8.2, exploitation is likely straightforward. Some references indicate unauthenticated exploitation is possible.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Varies by product - check individual vendor advisories

Vendor Advisory: See provided Patchstack references for each affected product

Restart Required: No

Instructions:

1. Identify which affected plugins/themes are installed. 2. Check WordPress plugin/theme updates. 3. Update to latest versions. 4. Verify updates applied successfully.

🔧 Temporary Workarounds

Disable affected plugins/themes

all

Temporarily disable vulnerable plugins/themes until patches can be applied

wp plugin deactivate [plugin-name]
wp theme deactivate [theme-name]

Network restrictions

linux

Implement network controls to restrict outbound requests from web servers

iptables -A OUTPUT -p tcp --dport 80 -j DROP
iptables -A OUTPUT -p tcp --dport 443 -j DROP

🧯 If You Can't Patch

Remove affected plugins/themes completely from production systems
Implement web application firewall rules to block SSRF patterns

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel for installed plugins/themes and compare with affected list

Check Version:

wp plugin list --fields=name,version --format=csv

Verify Fix Applied:

Verify plugin/theme versions are updated beyond vulnerable versions listed

📡 Detection & Monitoring

Log Indicators:

Unusual outbound HTTP requests from web server
Requests to internal IP addresses or localhost
Multiple failed connection attempts to various ports

Network Indicators:

Web server making unexpected outbound connections
Traffic to internal services from web server

SIEM Query:

source="web_server_logs" AND (dest_ip=127.0.0.1 OR dest_ip=10.* OR dest_ip=172.16.* OR dest_ip=192.168.*) AND method="GET" OR method="POST"

📊 Metadata

CVE ID: CVE-2022-40700

CVSS v3 Score: 8.2 (HIGH)

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

CWE: CWE-918

Published: January 19, 2024

Last Updated: November 21, 2024

🔗 References

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🔗 Related Vulnerabilities

If you're affected by CVE-2022-40700, you might also want to check these:

📋 TL;DR

💻 Affected Systems

📦 What is this software?

Admin Css Mu by Millionclues

Amo For Wp Membership Management by Arcstone

Amp Toolbox by Deano

Confirm Data by Unihost

Css Adder by Agence Press

Custom Login Admin Front End Css by Millionclues

Montonio For Woocommerce by Montonio

Phpfreechat by Frumph

Qards by Designmodo

Styles by Paulclark

Theme Minifier by Squidesma

Woosupply by Longwatchstudio

Woovip by Longwatchstudio

Woovirtualwallet by Longwatchstudio

Wpopal Core Features by Wpopal