CVE-2019-20435

Name: CVE-2019-20435
Creator: NVD / NIST
Published: 2020-01-28T01:15:11.877+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 1.08%

Last modified Jun 17, 2026

CVE-2019-20435 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. 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.. EPSS estimates a 1.08% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.8/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

1.08%

60.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Wso2	Api Manager	2.6.0

References

https://cybersecurityworks.com/zerodays/cve-2019-20435-wso2.htmlExploit, Third Party Advisory
https://docs.wso2.com/display/Security/Security+Advisory+WSO2-2019-0633Vendor Advisory
https://github.com/cybersecurityworks/Disclosed/issues/18Exploit, Issue Tracking, Third Party Advisory
https://cybersecurityworks.com/zerodays/cve-2019-20435-wso2.htmlExploit, Third Party Advisory
https://docs.wso2.com/display/Security/Security+Advisory+WSO2-2019-0633Vendor Advisory
https://github.com/cybersecurityworks/Disclosed/issues/18Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Jan 28, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-20435?

How severe is CVE-2019-20435?

CVE-2019-20435 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 1.08% probability of exploitation in the next 30 days.

How do I fix CVE-2019-20435?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-20435?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST