What’s Vulnerable › Vulnerabilities

CVE-2020-13971

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-07-28 · updated 2026-06-17
• Weakness: CWE-79

Description

In Shopware before 6.2.3, authenticated users are allowed to use the Mediabrowser fileupload feature to upload SVG images containing JavaScript. This leads to Persistent XSS. An uploaded image can be accessed without authentication.

Affected products

• shopware: before 6.2.3 — fixed in 6.2.3

How to fix

Upgrade to a fixed version: shopware 6.2.3. Check the vendor advisory for mitigations.

References

• https://docs.shopware.com/en/shopware-6-en/security-updates/security-update-07-2020
• https://www.shopware.com/en/changelog/#6-2-3
• https://docs.shopware.com/en/shopware-6-en/security-updates/security-update-07-2020
• https://www.shopware.com/en/changelog/#6-2-3

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