What’s Vulnerable › Vulnerabilities

CVE-2021-21398: Possible XSS injection through DataColumn Grid class

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-03-30 · updated 2026-06-17
• Weakness: CWE-79

Description

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

Affected products

• PrestaShop: from 1.7.7.0 before 1.7.7.3 — fixed in 1.7.7.3

How to fix

Upgrade to a fixed version: PrestaShop 1.7.7.3. Check the vendor advisory for mitigations.

References

• https://github.com/PrestaShop/PrestaShop/commit/aaaba8177f3b3c510461b5e3249e30e60f900205
• https://github.com/PrestaShop/PrestaShop/releases/tag/1.7.7.3
• https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-fhhq-4x46-qx77
• https://github.com/PrestaShop/PrestaShop/commit/aaaba8177f3b3c510461b5e3249e30e60f900205
• https://github.com/PrestaShop/PrestaShop/releases/tag/1.7.7.3
• https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-fhhq-4x46-qx77

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