PT-2020-12700 · Plesk · Plesk Onyx

Published 2020-08-03 · Updated 2020-08-04 · CVE-2020-11584

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Plesk Onyx version 17.8.11

Description A GET-based XSS reflected issue allows remote unauthenticated users to inject arbitrary JavaScript, HTML, or CSS via a GET parameter. This enables attackers to execute malicious code on the victim's browser.

Recommendations For Plesk Onyx version 17.8.11, consider restricting access to the vulnerable GET parameter to minimize the risk of exploitation until a patch is available. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-11584

Affected Products

Plesk Onyx

References · 5

• 🔥 https://medium.com/@0x00crash/xss-reflected-in-plesk-onyx-and-obsidian-1173a3eaffb5 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-11584 · Security Note
• https://osv.dev/vulnerability/CVE-2020-11584 · Vendor Advisory
• https://medium.com/%400x00crash/xss-reflected-in-plesk-onyx-and-obsidian-1173a3eaffb5 · Note
• https://t.me/cibsecurity/13847 · Telegram Post