What’s Vulnerable › Vulnerabilities

CVE-2021-21308: Improper session management for soft logout

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-02-26 · updated 2026-06-17
• Weakness: CWE-287

Description

PrestaShop is a fully scalable open source e-commerce solution. In PrestaShop before version 1.7.2 the soft logout system is not complete and an attacker is able to foreign request and executes customer commands. The problem is fixed in 1.7.7.2

Affected products

• PrestaShop: from 1.5.0.0 (excl.) before 1.7.7.2 — fixed in 1.7.7.2

How to fix

Upgrade to a fixed version: PrestaShop 1.7.7.2. Check the vendor advisory for mitigations.

References

• https://github.com/PrestaShop/PrestaShop/commit/2f673bd93e313f08c35e74decc105f40dc0b7dee
• https://github.com/PrestaShop/PrestaShop/releases/tag/1.7.7.2
• https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-557h-hf3c-whcg
• https://github.com/PrestaShop/PrestaShop/commit/2f673bd93e313f08c35e74decc105f40dc0b7dee
• https://github.com/PrestaShop/PrestaShop/releases/tag/1.7.7.2
• https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-557h-hf3c-whcg

Get alerted when CVE-2021-21308 or the next vulnerability affects your stack