CVE-2019-20436: wso2 api_manager Cross-site Scripting

Vulnerability summary

CVE-2019-20436 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in wso2 api_manager. EPSS estimates a 1.37% chance of exploitation in the next 30 days, higher than 71.6% of scored vulnerabilities. 2 public exploits are recorded.

Timeline

1. 27-01-2020
   PublishedVulnerability first disclosed.
2. 05-08-2024
   Last modifiedVulnerability information updated.

Description

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.

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.