What’s Vulnerable › Vulnerabilities

CVE-2018-13784

• Severity: critical (CVSS 9.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 16.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-07-09 · updated 2026-06-17

Description

PrestaShop before 1.6.1.20 and 1.7.x before 1.7.3.4 mishandles cookie encryption in Cookie.php, Rinjdael.php, and Blowfish.php.

Affected products

• PrestaShop: before 1.6.1.20; from 1.7.0.0 before 1.7.3.4 — fixed in 1.6.1.20, 1.7.3.4

How to fix

Upgrade to a fixed version: PrestaShop 1.6.1.20, 1.7.3.4. Check the vendor advisory for mitigations.

References

• http://build.prestashop.com/news/prestashop-1-7-3-4-1-6-1-20-maintenance-releases/
• https://github.com/PrestaShop/PrestaShop/pull/9218
• https://github.com/PrestaShop/PrestaShop/pull/9222
• https://www.exploit-db.com/exploits/45046/
• https://www.exploit-db.com/exploits/45047/
• http://build.prestashop.com/news/prestashop-1-7-3-4-1-6-1-20-maintenance-releases/
• https://github.com/PrestaShop/PrestaShop/pull/9218
• https://github.com/PrestaShop/PrestaShop/pull/9222
• https://www.exploit-db.com/exploits/45046/
• https://www.exploit-db.com/exploits/45047/

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