CVE-2021-35489

Public Exploit

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.90% Top 30%
Vendor Advisory thruk.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.gruppotim.it/redteam third party advisory exploit
https://www.thruk.org/changelog.html release notes vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-35489?
CVE-2021-35489 has been scored as a medium severity vulnerability.
How to fix CVE-2021-35489?
To fix CVE-2021-35489, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-35489 being actively exploited in the wild?
It is possible that CVE-2021-35489 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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