How severe is CVE-2023-45384?

CVE-2023-45384 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-45384 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-45384?

CVE-2023-45384 affects Knowband Supercheckout. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-45384?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-45384 published?

CVE-2023-45384 was published on 2023-10-19 and last updated on 2026-06-17.

CVE-2023-45384

CVE-2023-45384 is a critical-severity vulnerability in Knowband Supercheckout with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Knowband Supercheckout
Published: 2023-10-19
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2023-45384?: 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
How severe is CVE-2023-45384?: CVE-2023-45384 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-45384 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-45384?: CVE-2023-45384 affects Knowband Supercheckout. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-45384?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-45384 published?: CVE-2023-45384 was published on 2023-10-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:knowband:supercheckout:*:*:*:*:*:prestashop:*:*

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