What’s Vulnerable › Vulnerabilities

CVE-2019-20435

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-01-28 · updated 2026-06-17
• Weakness: CWE-79

Description

An issue was discovered in WSO2 API Manager 2.6.0. A reflected XSS attack could be performed in the inline API documentation editor page of the API Publisher by sending an HTTP GET request with a harmful docName request parameter.

Affected products

• WSO2 API Manager: 2.6.0

References

• https://cybersecurityworks.com/zerodays/cve-2019-20435-wso2.html
• https://docs.wso2.com/display/Security/Security+Advisory+WSO2-2019-0633
• https://github.com/cybersecurityworks/Disclosed/issues/18
• https://cybersecurityworks.com/zerodays/cve-2019-20435-wso2.html
• https://docs.wso2.com/display/Security/Security+Advisory+WSO2-2019-0633
• https://github.com/cybersecurityworks/Disclosed/issues/18

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