Vulnerability Details CVE-2019-20436
An issue was discovered in WSO2 API Manager 2.6.0, WSO2 IS as Key Manager 5.7.0, and WSO2 Identity Server 5.8.0. If there is a claim dialect configured with an XSS payload in the dialect URI, and a user picks up this dialect's URI and adds it as the service provider claim dialect while configuring the service provider, that payload gets executed. The attacker also needs to have privileges to log in to the management console, and to add and configure claim dialects.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.009
EPSS Ranking 74.6%
CVSS Severity
CVSS v3 Score 6.1
CVSS v2 Score 4.3
References
- https://cybersecurityworks.com/zerodays/cve-2019-20436-wso2.html
- https://docs.wso2.com/display/Security/Security+Advisory+WSO2-2019-0634
- https://github.com/cybersecurityworks/Disclosed/issues/19
- https://cybersecurityworks.com/zerodays/cve-2019-20436-wso2.html
- https://docs.wso2.com/display/Security/Security+Advisory+WSO2-2019-0634
- https://github.com/cybersecurityworks/Disclosed/issues/19
Products affected by CVE-2019-20436
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cpe:2.3:a:wso2:api_manager:2.6.0
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cpe:2.3:a:wso2:identity_server:5.7.0
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cpe:2.3:a:wso2:identity_server:5.8.0