How severe is CVE-2021-40814?

CVE-2021-40814 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-2021-40814 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-40814?

CVE-2021-40814 affects Mypresta Customer Photo Gallery. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-40814?

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-2021-40814 published?

CVE-2021-40814 was published on 2021-09-08 and last updated on 2026-06-17.

CVE-2021-40814

CVE-2021-40814 is a critical-severity vulnerability in Mypresta Customer Photo Gallery 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)
CVSS v2: 7.5
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Mypresta Customer Photo Gallery
Published: 2021-09-08
Last modified: 2026-06-17

Description

The Customer Photo Gallery addon before 2.9.4 for PrestaShop is vulnerable to SQL injection.

Frequently asked questions

What is CVE-2021-40814?: The Customer Photo Gallery addon before 2.9.4 for PrestaShop is vulnerable to SQL injection.
How severe is CVE-2021-40814?: CVE-2021-40814 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-2021-40814 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-40814?: CVE-2021-40814 affects Mypresta Customer Photo Gallery. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-40814?: 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-2021-40814 published?: CVE-2021-40814 was published on 2021-09-08 and last updated on 2026-06-17.

References

https://www.getastra.com/blog/911/plugin-exploit/prestashops-customer-photo-gallery-module-vulnerable-to-sql-injection-attacks/

Affected products (1)

cpe:2.3:a:mypresta:customer_photo_gallery:*:*:*:*:*:prestashop:*:*

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