CVE-2016-8748 Cross-site Scripting in Apache NiFi
An attacker can execute arbitrary scripts in the context of an authorized user's browser via the connection details dialog in Apache NiFi.
- 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
- Available
What is CVE-2016-8748?
CVE-2016-8748 is a medium-severity cross-site scripting vulnerability in Apache Nifi, published on 19 Oct 2017. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
In Apache NiFi before 1.0.1 and 1.1.x before 1.1.1, there is a cross-site scripting vulnerability in connection details dialog when accessed by an authorized user. The user supplied text was not being properly handled when added to the DOM.
Weakness: CWE-79
Which versions are affected by CVE-2016-8748?
4 open source packages ship an affected version, including org.apache.nifi:nifi. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.apache.nifi:nifi Maven | All versions | 1.0.1 |
org.apache.nifi:nifi Maven | All versions | 1.0.1 |
org.apache.nifi:nifi Maven | From 1.1.0 | 1.1.1 |
org.apache.nifi:nifi Maven | From 1.1.0 | 1.1.1 |
Products include Apache Nifi.
How do I fix CVE-2016-8748?
Upgrade org.apache.nifi:nifi to a fixed version for your release line: 1.0.1 or 1.1.1.
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-2016-8748 being exploited?
There is no known exploitation of CVE-2016-8748 in the wild and no public exploit code.
Other vulnerabilities in Apache Nifi
- CVE-2018-1309 Improper Restriction of XML External Entity Reference in Apache NiFi
- CVE-2017-15697 Apache NiFi XSS issue in context path handling
- CVE-2017-5636 Injection in Apache NiFi
- CVE-2026-68981 Apache NiFi: Uncontrolled Resource Consumption through Decompression of HTTP Requests
- CVE-2023-36542 Apache NiFi: Potential Code Injection with Properties Referencing Remote Resources
Sources
Also known as GHSA-g2fm-x3cp-mqw9.