CVE-2020-23992 Cross-site scripting in n/a

What is CVE-2020-23992?

CVE-2020-23992 is a medium-severity cross-site scripting vulnerability in Nagios Nagios Xi, published on 22 Aug 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Cross Site Scripting (XSS) in Nagios XI 5.7.1 allows remote attackers to run arbitrary code via returnUrl parameter in a crafted GET request.

Weakness: CWE-79

Which versions are affected by CVE-2020-23992?

It affects 1 product.

Products include Nagios Nagios Xi.

How do I fix CVE-2020-23992?

No fix has been published for CVE-2020-23992 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2020-23992 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-23992 exists.

Other vulnerabilities in Nagios Nagios Xi

• CVE-2021-25296 Nagios XI OS Command Injection Exploited High 8.8
• CVE-2021-25297 Nagios XI OS Command Injection Exploited High 8.8
• CVE-2021-25298 Nagios XI OS Command Injection Exploited High 8.8
• CVE-2019-15949 Nagios XI Remote Code Execution Exploited High 8.8
• CVE-2024-24401 SQL injection in n/a Critical 9.8

All Nagios Nagios Xi vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-pchv-f3w5-gmh6.