PT-2020-16982 · Collne+1 · Usc-E-Shop+1

Ramuel Gall · Published 2020-11-07 · Updated 2021-07-21 · CVE-2020-28339

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions usc-e-shop (aka Collne Welcart e-Commerce) plugin versions prior to 1.9.36 for WordPress

Description The issue allows Object Injection due to usces unserialize. There is no complete POP chain.

Recommendations For versions prior to 1.9.36, update to version 1.9.36 or later to resolve the issue. As a temporary workaround, consider restricting the use of the usces unserialize function until a patch is applied.

Exploit

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2020-28339

Affected Products

Wordpress

Usc-E-Shop

References · 6

• 🔥 https://wordfence.com/blog/2020/11/object-injection-vulnerability-in-welcart-e-commerce-plugin · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-28339 · Security Note
• https://osv.dev/vulnerability/CVE-2020-28339 · Vendor Advisory
• https://t.me/cibsecurity/16018 · Telegram Post
• https://wordpress.org/plugins/usc-e-shop/#developers · Note
• https://t.me/cvenotify/5341 · Telegram Post