CVE-2023-6838 Cross-site scripting in WSO2 API Manager
Attackers can execute arbitrary scripts via reflected XSS in authentication endpoints, potentially compromising user accounts.
- 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-2023-6838?
CVE-2023-6838 is a medium-severity cross-site scripting vulnerability in Wso2 Api Manager, published on 15 Dec 2023. 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
Reflected XSS vulnerability can be exploited by tampering a request parameter in Authentication Endpoint. This can be performed in both authenticated and unauthenticated requests.
Weakness: CWE-79
Which versions are affected by CVE-2023-6838?
It affects 3 products.
Products include Wso2 Api Manager, Wso2 Identity Server, Wso2 Identity Server as Key Manager.
How do I fix CVE-2023-6838?
No fix has been published for CVE-2023-6838 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-2023-6838 being exploited?
There is no known exploitation of CVE-2023-6838 in the wild and no public exploit code.
Other vulnerabilities in Wso2 Api Manager
- CVE-2022-29464 WSO2 Multiple Products Unrestrictive Upload of File
- CVE-2024-6914 Incorrect Authorization in Multiple WSO2 Products via Account Recovery SOAP Admin Service Leading to Account Takeover
- CVE-2020-13226 WSO2 API Manager vulnerable to SSRF
- CVE-2025-2905 An XML External Entity (XXE) vulnerability in Multiple WSO2 Products
- CVE-2021-42646 XML external entity in n/a
Sources
Also known as GHSA-355p-h43c-hhm8.