Where
-Infinity
0
Severity
8.8
AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Welcart e-Commerce 2.11.6 and earlier versions contains an untrusted data deserialization vulnerability. If this vulnerability is exploited, arbitrary code may be executed by a remote unauthenticated attacker who can access websites created using the product.

First published (updated )
Severity
6.1
XSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Welcart e-Commerce prior to 2.11.2 contains a cross-site scripting vulnerability. If this vulnerability is exploited, an arbitrary script may be executed on the user's web browser.

First published (updated )
Severity
8.8
SQL Injection
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SQL injection vulnerability in Welcart e-Commerce prior to 2.11.2 allows an attacker who can login to the product to obtain or alter the information stored in the database.

First published (updated )
Severity
6.1
EPSS
0.05%
XSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

The Welcart e-Commerce WordPress plugin before 2.9.5 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

First published (updated )
Severity
8.8
EPSS
0.05%
Malicious File Upload, CSRF
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

The Welcart e-Commerce WordPress plugin before 2.9.5 does not validate files to be uploaded, as well as does not have authorisation and CSRF in an AJAX action handling such upload. As a result, any authenticated users, such as subscriber could upload arbitrary files, such as PHP on the server

First published (updated )
Severity
9.8
EPSS
0.11%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

The Welcart e-Commerce WordPress plugin before 2.9.5 unserializes user input from cookies, which could allow unautehtniacted users to perform PHP Object Injection when a suitable gadget is present on the blog

First published (updated )
Severity
6.1
XSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Cross-site scripting vulnerability in Order Data Edit page of Welcart e-Commerce versions 2.7 to 2.8.21 allows a remote unauthenticated attacker to inject an arbitrary script.

First published (updated )
Severity
8.8
SQL Injection
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SQL injection vulnerability in Order Data Edit page of Welcart e-Commerce versions 2.7 to 2.8.21 allows a user with editor (without setting authority) or higher privilege to perform unintended database operations.

First published (updated )
Severity
4.9
SQL Injection
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

SQL injection vulnerability in Item List page of Welcart e-Commerce versions 2.7 to 2.8.21 allows a user with author or higher privilege to obtain sensitive information.

First published (updated )
Severity
6.1
XSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Cross-site scripting vulnerability in Item List page of Welcart e-Commerce versions 2.7 to 2.8.21 allows a remote unauthenticated attacker to inject an arbitrary script.

First published (updated )
Severity
6.1
XSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Cross-site scripting vulnerability in Credit Card Payment Setup page of Welcart e-Commerce versions 2.7 to 2.8.21 allows a remote unauthenticated attacker to inject an arbitrary script in the page.

First published (updated )
Severity
6.1
XSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Cross-site scripting vulnerability in Item List page registration process of Welcart e-Commerce versions 2.7 to 2.8.21 allows a remote unauthenticated attacker to inject an arbitrary script.

First published (updated )
Severity
7.2
Malicious File Upload
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Welcart e-Commerce versions 2.7 to 2.8.21 allows a user with editor or higher privilege to upload an arbitrary file to an unauthorized directory.

First published (updated )
Severity
5.4
XSS
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

The Welcart e-Commerce WordPress plugin before 2.8.9 does not validate and escapes one of its shortcode attributes, which could allow users with a role as low as a contributor to perform a Stored Cross-Site Scripting attack.

First published (updated )
Severity
8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

The Welcart e-Commerce WordPress plugin before 2.8.6 does not validate user input before using it in fileexist() 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

First published (updated )
Severity
6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

The Welcart e-Commerce WordPress plugin before 2.8.5 does not validate user input before using it to output the content of a file via an AJAX action available to any authenticated users, which could allow users with a role as low as subscriber to read arbitrary files on the server.

First published (updated )
Severity
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

The Welcart e-Commerce WordPress plugin before 2.8.5 does not validate user input before using it to output the content of a file, which could allow unauthenticated attacker to read arbitrary files on the server

First published (updated )
Severity
6.5
CSRF
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

The Welcart e-Commerce WordPress plugin before 2.8.4 does not have authorisation and CSRF in an AJAX action, allowing any logged-in user to create, update and delete shipping methods.

First published (updated )
Severity
5.4
XSS
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

The Welcart e-Commerce WordPress plugin before 2.8.4 does not sanitise and escape some parameters, which could allow any authenticated users, such as subscriber to perform Stored Cross-Site Scripting attacks

First published (updated )
Severity
6.1
XSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Cross-site scripting vulnerability in Welcart e-Commerce versions prior to 2.2.4 allows remote attackers to inject arbitrary script or HTML via unspecified vectors.

First published (updated )
Severity
8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

The usc-e-shop (aka Collne Welcart e-Commerce) plugin before 1.9.36 for WordPress allows Object Injection because of uscesunserialize. There is not a complete POP chain.

First published (updated )
Severity
6.1
XSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Cross-site scripting (XSS) vulnerability in the Collne Welcart e-Commerce plugin before 1.8.3 for WordPress allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, a different vulnerability than CVE-2016-4827.

First published (updated )
Severity
6.1
XSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Cross-site scripting (XSS) vulnerability in the Collne Welcart e-Commerce plugin before 1.8.3 for WordPress allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, a different vulnerability than CVE-2016-4826.

First published (updated )
Severity
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

The Collne Welcart e-Commerce plugin before 1.8.3 for WordPress mishandles sessions, which allows remote attackers to obtain access by leveraging knowledge of the e-mail address associated with an account.

First published (updated )
Severity
6.8
Input Validation
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

The Collne Welcart e-Commerce plugin before 1.8.3 for WordPress allows remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via crafted serialized data.

First published (updated )
Severity
6.5
SQL Injection
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Multiple SQL injection vulnerabilities in admin.php in the Collne Welcart plugin before 1.5.3 for WordPress allow remote authenticated users to execute arbitrary SQL commands via the (1) search[column] or (2) switch parameter.

First published (updated )
Severity
4.3
XSS
AV:N/AC:M/Au:N/C:N/I:P/A:N

Multiple cross-site scripting (XSS) vulnerabilities in the Welcart plugin before 1.4.18 for WordPress allow remote attackers to inject arbitrary web script or HTML via the uscesreferer parameter to (1) classes/usceshop.class.php, (2) includes/edit-form-advanced.php, (3) includes/edit-form-advanced30.php, (4) includes/edit-form-advanced34.php, (5) includes/membereditform.php, (6) includes/ordereditform.php, (7) includes/orderlist.php, or (8) includes/uscesitemmasterlist.php, related to admin.php.

First published (updated )

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203