CVE-2021-43789

Name: CVE-2021-43789
Creator: NVD / NIST
Published: 2021-12-07T17:15:10.027+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 4.13%

Last modified Jun 17, 2026

CVE-2021-43789 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. PrestaShop is an Open Source e-commerce web application. Versions of PrestaShop prior to 1.7.8.2 are vulnerable to blind SQL injection using search filters with `orderBy` and `sortOrder` parameters. EPSS estimates a 4.13% chance of exploitation in the next 30 days.

Description

PrestaShop is an Open Source e-commerce web application. Versions of PrestaShop prior to 1.7.8.2 are vulnerable to blind SQL injection using search filters with `orderBy` and `sortOrder` parameters. The problem is fixed in version 1.7.8.2.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

4.13%

89.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Prestashop	Prestashop	>= 1.7.5.0, < 1.7.8.2

References

https://github.com/PrestaShop/PrestaShop/issues/26623Issue Tracking, Third Party Advisory
https://github.com/PrestaShop/PrestaShop/releases/tag/1.7.8.2Release Notes, Third Party Advisory
https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-6xxj-gcjq-wgf4Third Party Advisory
https://github.com/PrestaShop/PrestaShop/issues/26623Issue Tracking, Third Party Advisory
https://github.com/PrestaShop/PrestaShop/releases/tag/1.7.8.2Release Notes, Third Party Advisory
https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-6xxj-gcjq-wgf4Third Party Advisory

Timeline

Published: Dec 7, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-43789?

How severe is CVE-2021-43789?

CVE-2021-43789 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 4.13% probability of exploitation in the next 30 days.

How do I fix CVE-2021-43789?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-43789?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST