XSS in Sitecore Experience Platform

CVE-2019-13493

In Sitecore 9.0 rev 171002, Persistent XSS exists in the Media Library and File Manager. An authenticated unprivileged user can modify the uploaded file extension parameter to inject arbitrary JavaScript.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.016 (73.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-13493?
CVE-2019-13493 is a medium-severity vulnerability in Sitecore Experience Platform, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-07-17.
How severe is CVE-2019-13493?
Medium severity. CVSS v3 base score is 5.4 out of 10.