CVE-2020-28339: welcart welcart_e-commerce Deserialization of Untrusted Data
CVSS: 8.8v3.1HighModified
Published 07-11-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-28339 is a high (CVSS 8.8) Deserialization of Untrusted Data vulnerability in welcart welcart_e-commerce. EPSS estimates a 1.90% chance of exploitation in the next 30 days, higher than 79.4% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 1.9.36.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
1.90%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 07-11-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSources3 sources · 7.5–8.8
- CVE.orgCNA7.5HighCVSS:3.1/AC:H/AV:N/A:H/C:H/I:H/PR:L/S:U/UI:NDiffers
- wordfenceSource7.5HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
Medium 6.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.90%
Chance of exploitation in the next 30 days
Percentile
79%
Versus all other CVEs
30-day change
0.00 pp
From 1.90% on 20-09-2026
20-09-202620-10-2026
EPSS score1.90%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wordfence.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Welcart1 product
- welcart_e-commerce< 1.9.36
Wordpress1 product
- usc-e-shop< 1.9.36
2 vendors · 2 products
References
3 links- www.wordfence.com/blog/2020/11/object-injection-vulnerability-in-welcart-e-commerce-plugin/X Refsource MISCExploitThird Party Advisory