CVE-2021-21398
MEDIUMCVSS 5.4/10EPSS 0.70%
Last modified
CVE-2021-21398 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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. EPSS estimates a 0.70% chance of exploitation in the next 30 days.
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
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Prestashop | Prestashop | >= 1.7.7.0, < 1.7.7.3 |
References
- https://github.com/PrestaShop/PrestaShop/commit/aaaba8177f3b3c510461b5e3249e30e60f900205Patch, Third Party Advisory
- https://github.com/PrestaShop/PrestaShop/releases/tag/1.7.7.3Third Party Advisory
- https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-fhhq-4x46-qx77Third Party Advisory
- https://github.com/PrestaShop/PrestaShop/commit/aaaba8177f3b3c510461b5e3249e30e60f900205Patch, Third Party Advisory
- https://github.com/PrestaShop/PrestaShop/releases/tag/1.7.7.3Third Party Advisory
- https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-fhhq-4x46-qx77Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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
How severe is CVE-2021-21398?
CVE-2021-21398 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.70% probability of exploitation in the next 30 days.
How do I fix CVE-2021-21398?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-21398?
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Scan your code nowSource: NVD / NIST