CVE-2019-18882 Cross-site scripting in n/a
Stored XSS in WSO2 IS as Key Manager allows attackers to execute scripts in victim browsers via mishandled Content-Type headers.
- 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-2019-18882?
CVE-2019-18882 is a medium-severity cross-site scripting vulnerability in Wso2 Identity Server, published on 12 Nov 2019. 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
WSO2 IS as Key Manager 5.7.0 allows stored XSS in download-userinfo.jag because Content-Type is mishandled.
Weakness: CWE-79
Which versions are affected by CVE-2019-18882?
It affects 1 product.
Products include Wso2 Identity Server.
How do I fix CVE-2019-18882?
No fix has been published for CVE-2019-18882 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-2019-18882 being exploited?
There is no known exploitation of CVE-2019-18882 in the wild and no public exploit code.
Other vulnerabilities in Wso2 Identity Server
- CVE-2016-4311 Cross-site request forgery in n/a
- CVE-2025-10470 Denial-of-Service via Magic Link Authentication in WSO2 Identity Server Allows Service Unavailability
- CVE-2025-12107 Server-Side Template Injection via Velocity Template Engine in Multiple WSO2 Products Allows Remote Code Execution
- CVE-2016-4312 XML external entity in n/a
- CVE-2025-10908 Account Lock Bypass via Magic Link or Pass Key Authentication in WSO2 Identity Server Allows Unauthorized Access
Sources
Also known as GHSA-6xv3-g42w-8c3j.