XSS in Shopware

CVE-2020-13971

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (44.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-13971?
CVE-2020-13971 is a medium-severity vulnerability in Shopware, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-07-28.
How severe is CVE-2020-13971?
Medium severity. CVSS v3 base score is 5.4 out of 10.