CVE-2017-6734 Cross-site scripting in Cisco Identity Services Engine
An authenticated remote attacker can execute cross-site scripting attacks against users of the Cisco ISE Guest Portal web interface.
- 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-2017-6734?
CVE-2017-6734 is a medium-severity cross-site scripting vulnerability in Cisco Identity Services Engine, published on 10 Jul 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
A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) Software could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web interface of an affected device, related to the Guest Portal. More Information: CSCvd74794. Known Affected Releases: 1.3(0.909) 2.1(0.800).
Weakness: CWE-79
Which versions are affected by CVE-2017-6734?
It affects 1 product.
Products include Cisco Identity Services Engine.
How do I fix CVE-2017-6734?
No fix has been published for CVE-2017-6734 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-2017-6734 being exploited?
There is no known exploitation of CVE-2017-6734 in the wild and no public exploit code.
Other vulnerabilities in Cisco Identity Services Engine
- CVE-2026-76460 Cisco Identity Services Engine Incorrect Use of Privileged APIs
- CVE-2025-20337 Cisco Identity Services Engine Injection
- CVE-2025-20281 Cisco Identity Services Engine Injection
- CVE-2026-20130 Cisco Identity Services Engine Hardening Release - Improper Neutralization Vulnerabilities
- CVE-2026-20192 Cisco Identity Services Engine Hardening Release - Access Control Vulnerabilities
Sources
Also known as GHSA-8wc6-rqwr-64qg.