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)

EPSS: 0.007 (49.5th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

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.