CVE-2019-5727 Cross-site scripting in n/a
Persistent XSS in Splunk Web allows attackers to inject malicious scripts, potentially leading to session hijacking or code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-5727?
CVE-2019-5727 is a medium-severity cross-site scripting vulnerability in Splunk Splunk, published on 21 Feb 2019. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Splunk Web in Splunk Enterprise 6.5.x before 6.5.5, 6.4.x before 6.4.9, 6.3.x before 6.3.12, 6.2.x before 6.2.14, 6.1.x before 6.1.14, and 6.0.x before 6.0.15 and Splunk Light before 6.6.0 has Persistent XSS, aka SPL-138827.
Weakness: CWE-79
Which versions are affected by CVE-2019-5727?
It affects 1 product.
Products include Splunk Splunk.
How do I fix CVE-2019-5727?
No fix has been published for CVE-2019-5727 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-2019-5727 being exploited?
There is no known exploitation of CVE-2019-5727 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-g74c-gg3p-6cj9.