CVE-2026-11712 IBM WebSphere Application Server is affected by a cross-site scripting vulnerability
Attackers can execute scripts in the administrative console help system, potentially compromising user sessions or data.
- 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-2026-11712?
CVE-2026-11712 is a critical cross-site scripting vulnerability in Ibm Websphere Application Server, published on 30 Jun 2026. 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
IBM WebSphere Application Server 9.0, and 8.5 is affected by a cross-site scripting vulnerability in the administrative console help system.
Weakness: CWE-79
Which versions are affected by CVE-2026-11712?
It affects 1 product.
Products include Ibm Websphere Application Server.
How do I fix CVE-2026-11712?
No fix has been published for CVE-2026-11712 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-2026-11712 being exploited?
There is no known exploitation of CVE-2026-11712 in the wild and no public exploit code.
Other vulnerabilities in Ibm Websphere Application Server
Sources
Also known as GHSA-r8wf-c575-w3gq.