CVE-2020-11583

MEDIUM 6.1CVE-2020-11583 · Published 03/08/2020 · updated 17/06/2026

In short

CVE-2020-11583 is a MEDIUM (CVSS 6.1) vulnerability affecting obsidian (plesk).
Chance of exploitation in the next 30 days (EPSS): 1.0%, higher than 63.4% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
obsidian plesk	`= 18.0.17`	No fix yet

Description

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.

References

medium.com/%400x00crash/xss-reflected-in-plesk-onyx-and-obsidian-1173a3eaffb5

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