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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.008 (53.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Prestashop Blockreassurance — versions <= 5.1.3
- Prestashop Customer Reassurance Block
Weakness classification (CWE)
References
- github.com/PrestaShop/blockreassurance/security/advisories/GHSA-83j2-qhx2-p7jc (Vendor Advisory)
- github.com/PrestaShop/blockreassurance/commit/2d0e97bebf795690caffe33c1ab23a9bf… (Patch)
- github.com/PrestaShop/blockreassurance/commit/eec00da564db4c1804b0a0d1e3d9f7ec4… (Patch)
- github.com/PrestaShop/blockreassurance/releases/tag/v5.1.4 (Release Notes)
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.