How severe is CVE-2023-27640?

CVE-2023-27640 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-27640 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27640?

CVE-2023-27640 affects Tshirtecommerce Custom Product Designer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-27640?

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

When was CVE-2023-27640 published?

CVE-2023-27640 was published on 2023-06-01 and last updated on 2026-06-17.

CVE-2023-27640

CVE-2023-27640 is a high-severity vulnerability in Tshirtecommerce Custom Product Designer with a CVSS 3.x base score of 7.5. 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Tshirtecommerce Custom Product Designer
Published: 2023-06-01
Last modified: 2026-06-17

Description

An issue was discovered in the tshirtecommerce (aka Custom Product Designer) component 2.1.4 for PrestaShop. An HTTP request can be forged with the POST parameter type in the /tshirtecommerce/fonts.php endpoint, to allow a remote attacker to traverse directories on the system in order to open files (without restriction on the extension and path). The content of the file is returned with base64 encoding. This is exploited in the wild in March 2023.

Frequently asked questions

What is CVE-2023-27640?: An issue was discovered in the tshirtecommerce (aka Custom Product Designer) component 2.1.4 for PrestaShop. An HTTP request can be forged with the POST parameter type in the /tshirtecommerce/fonts.php endpoint, to allow a remote attacker to traverse directories on the system in order to open files (without restriction on the extension and path). The content of the file is returned with base64 encoding. This is exploited in the wild in March 2023.
How severe is CVE-2023-27640?: CVE-2023-27640 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-27640 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27640?: CVE-2023-27640 affects Tshirtecommerce Custom Product Designer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-27640?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-27640 published?: CVE-2023-27640 was published on 2023-06-01 and last updated on 2026-06-17.

References

https://friends-of-presta.github.io/security-advisories/module/2023/03/30/tshirtecommerce_cwe-22.html

Affected products (1)

cpe:2.3:a:tshirtecommerce:custom_product_designer:*:*:*:*:*:prestashop:*:*

More vulnerabilities in Tshirtecommerce Custom Product Designer

CVE-2023-27638 — Critical (CVSS 9.8): An issue was discovered in the tshirtecommerce (aka Custom Product Designer) component 2.1.4 for PrestaShop. An HTTP…
CVE-2023-27637 — Critical (CVSS 9.8): An issue was discovered in the tshirtecommerce (aka Custom Product Designer) component 2.1.4 for PrestaShop. An HTTP…
CVE-2023-27639 — High (CVSS 7.5): An issue was discovered in the tshirtecommerce (aka Custom Product Designer) component 2.1.4 for PrestaShop. An HTTP…

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