CVE-2018-18623 Grafana XSS in Dashboard Text Panel

What is CVE-2018-18623?

CVE-2018-18623 is a medium-severity cross-site scripting vulnerability in Grafana Grafana, published on 2 Jun 2020. 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

Grafana 5.3.1 has XSS via the "Dashboard > Text Panel" screen. NOTE: this issue exists because of an incomplete fix for CVE-2018-12099.

Weakness: CWE-79

Which versions are affected by CVE-2018-18623?

3 open source packages ship an affected version, including github.com/grafana/grafana. It affects 1 product.

Products include Grafana Grafana.

How do I fix CVE-2018-18623?

Upgrade github.com/grafana/grafana to a fixed version for your release line: 6.0.0-beta1 or 6.0.0-beta1+incompatible.

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-2018-18623 being exploited?

There is no known exploitation of CVE-2018-18623 in the wild and no public exploit code.

Other vulnerabilities in Grafana Grafana

• CVE-2021-43798 Grafana Path Traversal Exploited High 7.5
• CVE-2025-41115 Incorrect privilege assignment Critical 10.0
• CVE-2022-39328 Grafana vulnerable to race condition allowing privilege escalation Critical 9.8
• CVE-2022-28660 Auth bypass in n/a Critical 9.8
• CVE-2022-26148 Information disclosure in n/a Critical 9.8

All Grafana Grafana vulnerabilities

Sources

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

Also known as GHSA-cmq2-j8v8-2q44, GO-2022-0342, UBUNTU-CVE-2018-18623.