CVE-2021-35489

PoC —

CVSS 3.1

6.1 medium

EPSS

<1%p57

Published

Nov 9, 2021 (Nov 9, 2021)

Modified

Jun 17, 2026

Description

Thruk 2.40-2 allows /thruk/#cgi-bin/extinfo.cgi?type=2&host={HOSTNAME]&service={SERVICENAME]&backend={BACKEND] Reflected XSS via the host or service parameter. An attacker could inject arbitrary JavaScript into extinfo.cgi. The malicious payload would be triggered every time an authenticated user browses the page containing it.

Vendors: thruk
Products: thruk
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.9%)

In the news0 stories

No ingested article mentions this CVE yet.