CVE-2018-7427 Cross-site scripting in n/a
Remote attackers can inject arbitrary web script or HTML into Splunk Web, potentially leading to session hijacking or malicious actions.
- 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
- None listed
What is CVE-2018-7427?
CVE-2018-7427 is a medium-severity cross-site scripting vulnerability in Splunk Splunk, published on 23 Oct 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
Cross-site scripting (XSS) vulnerability in Splunk Web in Splunk Enterprise 6.0.x before 6.0.14, 6.1.x before 6.1.13, 6.2.x before 6.2.14, 6.3.x before 6.3.10, 6.4.x before 6.4.7, and 6.5.x before 6.5.3; and Splunk Light before 6.6.0 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
Weakness: CWE-79
Which versions are affected by CVE-2018-7427?
It affects 1 product.
Products include Splunk Splunk.
How do I fix CVE-2018-7427?
No fix has been published for CVE-2018-7427 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-2018-7427 being exploited?
There is no known exploitation of CVE-2018-7427 in the wild and no public exploit code.
Other vulnerabilities in Splunk Splunk
- CVE-2026-20253 Splunk Enterprise Missing Authentication for Critical Function
- CVE-2026-76268 Missing Authentication for Critical Function in the Patroni REST API in Splunk Enterprise
- CVE-2026-76284 Improper Neutralization in Splunk Enterprise
- CVE-2026-76285 Improper Adherence to Coding Standards in Splunk Enterprise
- CVE-2017-17067 Auth bypass in n/a
Sources
Also known as GHSA-8fcr-2hww-2ww8.