XSS in Prestashop
CVE-2021-21398
PrestaShop is a fully scalable open source e-commerce solution. In PrestaShop before version 1.7.7.3, an attacker can inject HTML when the Grid Column Type DataColumn is badly used. The problem is fixed in 1.7.7.3
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.007 (51.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Prestashop — versions >= 1.7.7.0, < 1.7.7.3
Weakness classification (CWE)
References
- github.com/PrestaShop/PrestaShop/security/advisories/GHSA-fhhq-4x46-qx77 (Third Party Advisory)
- github.com/PrestaShop/PrestaShop/commit/aaaba8177f3b3c510461b5e3249e30e60f900205 (Patch, Third Party Advisory)
- github.com/PrestaShop/PrestaShop/releases/tag/1.7.7.3 (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-21398?
- CVE-2021-21398 is a medium-severity vulnerability in Prestashop, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-03-30.
- How severe is CVE-2021-21398?
- Medium severity. CVSS v3 base score is 5.4 out of 10.