CVE-2025-31084 – This vulnerability allows attackers to inject m... (How to Fix)

📋 TL;DR

This vulnerability allows attackers to inject malicious objects through deserialization of untrusted data in Sunshine Photo Cart WordPress plugin. Successful exploitation could lead to remote code execution, data theft, or complete system compromise. All WordPress sites using Sunshine Photo Cart versions up to 3.4.10 are affected.

💻 Affected Systems

Products:

Sunshine Photo Cart WordPress Plugin

Versions: n/a through 3.4.10

Operating Systems: Any OS running WordPress

Default Config Vulnerable: ⚠️ Yes

Notes: All WordPress installations with vulnerable plugin versions are affected regardless of configuration.

📦 What is this software?

Sunshine Photo Cart by Sunshinephotocart

View all CVEs affecting Sunshine Photo Cart →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Remote code execution leading to complete server takeover, data exfiltration, and lateral movement within the network.

🟠

Likely Case

Arbitrary code execution allowing website defacement, malware installation, or credential theft.

🟢

If Mitigated

Limited impact if proper input validation and output encoding are implemented, though risk remains elevated.

🌐 Internet-Facing: HIGH

🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes

Weaponized: LIKELY

Unauthenticated Exploit: ⚠️ Yes

Complexity: LOW

Deserialization vulnerabilities are commonly exploited and weaponized quickly due to available tooling.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 3.4.11 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/sunshine-photo-cart/vulnerability/wordpress-sunshine-photo-cart-3-4-10-php-object-injection-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel
2. Navigate to Plugins > Installed Plugins
3. Find Sunshine Photo Cart
4. Click 'Update Now' if available
5. If no update available, deactivate and remove plugin
6. Download latest version from WordPress repository
7. Upload and activate new version

🔧 Temporary Workarounds

Immediate Plugin Deactivation

all

Temporarily disable the vulnerable plugin to prevent exploitation

wp plugin deactivate sunshine-photo-cart

WAF Rule Implementation

all

Block deserialization attempts at web application firewall

Add rule to block requests containing serialized PHP objects

🧯 If You Can't Patch

Deactivate Sunshine Photo Cart plugin immediately
Implement strict WAF rules to block serialized object payloads

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Sunshine Photo Cart version

Check Version:

wp plugin get sunshine-photo-cart --field=version

Verify Fix Applied:

Verify plugin version is 3.4.11 or higher in WordPress admin

📡 Detection & Monitoring

Log Indicators:

Unusual POST requests to plugin endpoints
PHP serialized object strings in logs
Unexpected file creation/modification

Network Indicators:

HTTP requests containing serialized PHP objects
Unusual traffic to /wp-content/plugins/sunshine-photo-cart/

SIEM Query:

source="web_logs" AND (uri="*sunshine-photo-cart*" AND (data="*O:*" OR data="*C:*" OR data="*a:*"))

📊 Metadata

CVE ID: CVE-2025-31084

CVSS v3 Score: 9.8 (CRITICAL)

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

CWE: CWE-502

EPSS Score: 0.37% exploit probability (58.3th percentile)

Published: April 1, 2025

Last Updated: April 3, 2025

🔗 References

https://patchstack.com/database/wordpress/plugin/sunshine-photo-cart/vulnerability/wordpress-sunshine-photo-cart-3-4-10-php-object-injection-vulnerability?_s_id=cve Third Party Advisory

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🔗 Related Vulnerabilities

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