CVE-2020-28339
HIGHCVSS 8.8/10EPSS 1.88%
Last modified
CVE-2020-28339 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 1.88% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Welcart | Welcart E-Commerce | < 1.9.36 |
References
- https://wordpress.org/plugins/usc-e-shop/#developersProduct, Third Party Advisory
- https://www.wordfence.com/blog/2020/11/object-injection-vulnerability-in-welcart-e-commerce-plugin/Exploit, Third Party Advisory
- https://wordpress.org/plugins/usc-e-shop/#developersProduct, Third Party Advisory
- https://www.wordfence.com/blog/2020/11/object-injection-vulnerability-in-welcart-e-commerce-plugin/Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2020-28339?
CVE-2020-28339 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.88% probability of exploitation in the next 30 days.
How do I fix CVE-2020-28339?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-28339?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST