# CVE-2021-43789: Blind SQLi using Search filters in PrestaShop

> Attackers can perform blind SQL injection via search filters to read sensitive database information in PrestaShop.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 7 Dec 2021
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-6xxj-gcjq-wgf4

## What is CVE-2021-43789?

CVE-2021-43789 is a high-severity SQL injection vulnerability in Prestashop Prestashop, published on 7 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official 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.

Weakness: CWE-89 (Improper Neutralization of Special Elements used in an SQL Command)

## Which versions are affected by CVE-2021-43789?

2 open source packages ship an affected version, including prestashop/prestashop. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `prestashop/prestashop` | Packagist | From 1.7.5.0 | 1.7.8.2 |
| `prestashop/prestashop` | Packagist | From 1.7.5.0 | 1.7.8.2 |

Products: Prestashop Prestashop.

## How do I fix CVE-2021-43789?

Upgrade prestashop/prestashop to 1.7.8.2 or later.

## Is CVE-2021-43789 being exploited?

There is no known exploitation of CVE-2021-43789 in the wild and no public exploit code.

Public exploit code:

- Prestashop >= 1.7.5.0 < 1.7.8.2 - SQL injection (github_poc): https://github.com/numanturle/CVE-2021-43789

## Other vulnerabilities in Prestashop Prestashop

- [CVE-2023-30839](https://insights.sbomify.com/CVE-2023-30839/): PrestaShop vulnerable to SQL filter bypass leading to arbitrary write requests using "SQL Manager" (critical 10.0)
- [CVE-2008-5791](https://insights.sbomify.com/CVE-2008-5791/): Other in n/a (critical 10.0)
- [CVE-2024-41651](https://insights.sbomify.com/CVE-2024-41651/): Server-side request forgery in n/a (critical 9.8)
- [CVE-2022-31181](https://insights.sbomify.com/CVE-2022-31181/): Remote code execution in prestashop (critical 9.8)
- [CVE-2021-3110](https://insights.sbomify.com/CVE-2021-3110/): SQL injection in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-43789 and fix it if it is affected.

What it is: CVE-2021-43789 is a high-severity SQL injection vulnerability in Prestashop Prestashop, published on 7 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-43789 in the wild and no public exploit code.

Affected packages and fixed versions:
- prestashop/prestashop (Packagist): affected from 1.7.5.0; fixed in 1.7.8.2
- prestashop/prestashop (Packagist): affected from 1.7.5.0; fixed in 1.7.8.2

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2021-43789/ (Markdown: https://insights.sbomify.com/CVE-2021-43789/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-43789
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-43789
- OSV: https://osv.dev/vulnerability/CVE-2021-43789

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-43789/
Summaries are generated and may contain mistakes; the official description above is the record.