Deserialization in Welcart Welcart_e-commerce

CVE-2020-28339

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

Vulnerability class: Insecure Deserialization

EPSS: 0.019 (76.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-28339?
CVE-2020-28339 is a high-severity vulnerability in Welcart Welcart_e-commerce, classified under Deserialization of Untrusted Data. CVSS score: 7.5/10. Published 2020-11-07.
How severe is CVE-2020-28339?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-28339 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.