Auth bypass in Prestashop Blockreassurance

CVE-2023-47109

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.

EPSS: 0.008 (51.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-47109?
CVE-2023-47109 is a medium-severity vulnerability in Prestashop Blockreassurance, classified under Improper Authorization. CVSS score: 5.5/10. Published 2023-11-08.
How severe is CVE-2023-47109?
Medium severity. CVSS v3 base score is 5.5 out of 10.