What’s Vulnerable › Vulnerabilities

CVE-2021-33562

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-05-24 · updated 2026-06-17
• Weakness: CWE-79

Description

A reflected cross-site scripting (XSS) vulnerability in Shopizer before 2.17.0 allows remote attackers to inject arbitrary web script or HTML via the ref parameter to a page about an arbitrary product, e.g., a product/insert-product-name-here.html/ref= URL.

Affected products

• shopizer-ecommerce Shopizer: before 2.17.0 — fixed in 2.17.0

How to fix

Upgrade to a fixed version: shopizer-ecommerce Shopizer 2.17.0. Check the vendor advisory for mitigations.

References

• https://github.com/shopizer-ecommerce/shopizer/commit/197f8c78c8f673b957e41ca2c823afc654c19271
• https://github.com/shopizer-ecommerce/shopizer/compare/2.16.0...2.17.0
• https://www.exploit-db.com/exploits/49901
• https://github.com/shopizer-ecommerce/shopizer/commit/197f8c78c8f673b957e41ca2c823afc654c19271
• https://github.com/shopizer-ecommerce/shopizer/compare/2.16.0...2.17.0
• https://www.exploit-db.com/exploits/49901

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