Deserialization in 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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.019 (78.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/blog/2020/11/object-injection-vulnerability-in-welcart-e-comm… (Exploit, Third Party Advisory)
- wordpress.org/plugins/usc-e-shop/ (Product, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-28339?
- CVE-2020-28339 is a high-severity vulnerability in 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.