CVE-2018-11650 Cross-site Scripting in Graylog Server
An attacker can inject malicious scripts into Graylog notifications, potentially executing code or hijacking user sessions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-11650?
CVE-2018-11650 is a medium-severity cross-site scripting vulnerability in n/a, published on 1 Jun 2018. 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
Graylog before v2.4.4 has an XSS security issue with unescaped text in notifications, related to toastr and util/UserNotification.js.
Weakness: CWE-79
Which versions are affected by CVE-2018-11650?
2 open source packages ship an affected version, including org.graylog2:graylog2-server. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.graylog2:graylog2-server Maven | All versions | 2.4.4 |
org.graylog2:graylog2-server Maven | All versions | 2.4.4 |
Products include Graylog Graylog.
How do I fix CVE-2018-11650?
Upgrade org.graylog2:graylog2-server to 2.4.4 or later.
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-2018-11650 being exploited?
There is no known exploitation of CVE-2018-11650 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2021-37759 Information disclosure in n/a
- CVE-2021-37760 Information disclosure in n/a
- CVE-2026-1435 Incorrect management of session invalidation vulnerability in Graylog Web Interface
- CVE-2025-53106 Graylog vulnerable to privilege escalation through API tokens
- CVE-2024-24824 graylog2-server vulnerable to instantiation of arbitrary classes triggered by API request
Sources
Also known as GHSA-h7g4-65mf-6mxh.