CVE-2022-4237

Welcart e-Commerce < 2.8.6 - Subscriber+ PHAR Deserialisation

Published Jan 2, 2023 CVSS 3.1 · 8.8 High EPSS 1.1% KEV · Not listed
Description
The Welcart e-Commerce WordPress plugin before 2.8.6 does not validate user input before using it in file_exist() functions via various AJAX actions available to any authenticated users, which could allow users with a role as low as subscriber to perform PHAR deserialisation when they can upload a file and a suitable gadget chain is present on the blog

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-51595 The Welcart e-Commerce WordPress plugin before 2.8.6 does not validate user input before using it in file_exist() functions via various AJAX actions available to any authenticated users, which could allow users with a role as low as subscriber to perform PHAR deserialisation when they can upload a file and a suitable gadget chain is present on the blog
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Welcart
Welcart welcart E-commerce
CPEs cpe:2.3:a:collne:welcart_e-commerce:*:*:*:*:*:wordpress:*:* cpe:2.3:a:welcart:welcart_e-commerce:*:*:*:*:*:wordpress:*:*
Vendors & Products Collne
Collne welcart E-commerce
Welcart
Welcart welcart E-commerce
Weaknesses

No weakness.

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Apr 10, 2025, 6:35 PM
Reserved
Nov 30, 2022, 2:48 PM
Status
Modified
Published
Jan 2, 2023, 10:15 PM
Modified
Jun 17, 2026, 5:20 AM