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Fencer Vulns
critical 9.8

CVE-2023-45384 json

KnowBand supercheckout > 5.0.7 and < 6.0.7 is vulnerable to Unrestricted Upload of File with Dangerous Type.

published 2023-10-19 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-49676

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 53%
public exploits
0
none known

Summary

KnowBand supercheckout > 5.0.7 and < 6.0.7 is vulnerable to Unrestricted Upload of File with Dangerous Type. In the module "Module One Page Checkout, Social Login & Mailchimp" (supercheckout), a guest can upload files with extensions .php

Patch / fix

  • knownband supercheckout 6.07

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.70% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 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

  • knownband supercheckout

Classification

Weakness
  • CWE-434 Unrestricted Upload of File with Dangerous Type

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.