XSS in Microsoft Windows

CVE-2020-11583

A GET-based XSS reflected vulnerability in Plesk Obsidian 18.0.17 allows remote unauthenticated users to inject arbitrary JavaScript, HTML, or CSS via a GET parameter.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.010 (59.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-11583?
CVE-2020-11583 is a medium-severity vulnerability in Microsoft Windows, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-08-03.
How severe is CVE-2020-11583?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2020-11583 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.