CVE-2020-13971

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.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.31%
Vendor Advisory shopware.com Vendor Advisory shopware.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.shopware.com/en/changelog/#6-2-3 release notes vendor advisory
https://docs.shopware.com/en/shopware-6-en/security-updates/security-update-07-2020 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-13971?
CVE-2020-13971 has been scored as a medium severity vulnerability.
How to fix CVE-2020-13971?
To fix CVE-2020-13971, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-13971 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-13971 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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