A reflected cross-site scripting (XSS) vulnerability exists in the authentication endpoints of multiple WSO2 products due to a lack of output encoding. A malicious actor can inject arbitrary JavaScript payloads into the authentication endpoint, which are reflected back in the response, enabling browser-based attacks. Exploitation may result in redirection to malicious websites, UI manipulation, or unauthorized data access from the victim’s browser. However, session-related cookies are protected with the httpOnly flag, which mitigates session hijacking via this vector.
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2025/WSO2-2025-4270/ Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 6.1 · wso2NVD modified 2026-10-18 21:10
Affected (CPE criteria) 9
cpe:2.3:a:wso2:api_control_plane:4.5.0:-:*:*:*:*:*:*cpe:2.3:a:wso2:api_manager:4.2.0:-:*:*:*:*:*:*cpe:2.3:a:wso2:api_manager:4.3.0:-:*:*:*:*:*:*cpe:2.3:a:wso2:api_manager:4.4.0:-:*:*:*:*:*:*cpe:2.3:a:wso2:api_manager:4.5.0:-:*:*:*:*:*:*cpe:2.3:a:wso2:identity_server:6.0.0:-:*:*:*:*:*:*cpe:2.3:a:wso2:identity_server:6.1.0:-:*:*:*:*:*:*cpe:2.3:a:wso2:identity_server:7.0.0:-:*:*:*:*:*:*cpe:2.3:a:wso2:identity_server:7.1.0:-:*:*:*:*:*:*