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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (45.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.shopware.com/en/changelog/ (Release Notes, Vendor Advisory)
- docs.shopware.com/en/shopware-6-en/security-updates/security-update-07-2020 (Vendor Advisory)
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.