How severe is CVE-2023-28843?

CVE-2023-28843 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-2023-28843 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-28843?

CVE-2023-28843 affects 202-ecommerce Paypal. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-28843?

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-2023-28843 published?

CVE-2023-28843 was published on 2023-03-31 and last updated on 2026-06-17.

CVE-2023-28843

CVE-2023-28843 is a critical-severity vulnerability in 202-ecommerce Paypal 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-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: 202-ecommerce Paypal
Published: 2023-03-31
Last modified: 2026-06-17

Description

PrestaShop/paypal is an open source module for the PrestaShop web commerce ecosystem which provides paypal payment support. A SQL injection vulnerability found in the PrestaShop paypal module from release from 3.12.0 to and including 3.16.3 allow a remote attacker to gain privileges, modify data, and potentially affect system availability. The cause of this issue is that SQL queries were being constructed with user input which had not been properly filtered. Only deployments on PrestaShop 1.6 are affected. Users are advised to upgrade to module version 3.16.4. There are no known workarounds for this vulnerability.

Frequently asked questions

What is CVE-2023-28843?: PrestaShop/paypal is an open source module for the PrestaShop web commerce ecosystem which provides paypal payment support. A SQL injection vulnerability found in the PrestaShop paypal module from release from 3.12.0 to and including 3.16.3 allow a remote attacker to gain privileges, modify data, and potentially affect system availability. The cause of this issue is that SQL queries were being constructed with user input which had not been properly filtered. Only deployments on PrestaShop 1.6 are affected. Users are advised to upgrade to module version 3.16.4. There are no known workarounds for this vulnerability.
How severe is CVE-2023-28843?: CVE-2023-28843 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-2023-28843 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-28843?: CVE-2023-28843 affects 202-ecommerce Paypal. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-28843?: 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-2023-28843 published?: CVE-2023-28843 was published on 2023-03-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:202-ecommerce:paypal:*:*:*:*:*:prestashop:*:*

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