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Fencer Vulns
critical 9.8

CVE-2023-26689 json

An issue discovered in CS-Cart MultiVendor 4.16.1 allows attackers to alter arbitrary user account profiles via crafted post request.

published 2024-09-24 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-30484

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits
0
none known

Summary

An issue discovered in CS-Cart MultiVendor 4.16.1 allows attackers to alter arbitrary user account profiles via crafted post request.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.62% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/cybrops-io/CVEs/tree/main/CVE-2023-26689%20-%20Insufficient%20Authorization%20for%20API%20key%20creation%20in%20CS-Cart%20MultiVendor%204.16.1 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • cs-cart cs-cart_multivendor

Classification

Weakness
  • CWE-286 Incorrect User Management

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.