What is CVE-2023-5952?

CVE-2023-5952 is a critical-severity vulnerability in Welcart E-Commerce, classified under CWE-502 DESERIALIZATION OF UNTRUSTED DATA. CVSS score: 9.8/10. Published 2023-12-04.

How severe is CVE-2023-5952?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2023-5952 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Welcart E-Commerce

CVE-2023-5952

The Welcart e-Commerce WordPress plugin before 2.9.5 unserializes user input from cookies, which could allow unautehtniacted users to perform PHP Object Injection when a suitable gadget is present on the blog

Published 2023-12-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (68.4th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Welcart E-Commerce
Welcart E-Commerce — versions 0

Public proof-of-concept exploits

20142995/nuclei-templates

References

wpscan.com/vulnerability/0acd613e-dbd6-42ae-9f3d-6d6e77a4c1b7 (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2023-5952?: CVE-2023-5952 is a critical-severity vulnerability in Welcart E-Commerce, classified under CWE-502 DESERIALIZATION OF UNTRUSTED DATA. CVSS score: 9.8/10. Published 2023-12-04.
How severe is CVE-2023-5952?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-5952 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.