CVE-2019-20443

Name: CVE-2019-20443
Creator: NVD / NIST
Published: 2020-01-28T00:15:10.993+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 0.80%

Last modified Jun 17, 2026

CVE-2019-20443 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. An issue was discovered in WSO2 API Manager 2.6.0, WSO2 Enterprise Integrator 6.5.0, WSO2 IS as Key Manager 5.7.0, and WSO2 Identity Server 5.8.0. A potential stored Cross-Site Scripting (XSS) vulnerability in mediaType has been identified in the registry UI.. EPSS estimates a 0.80% chance of exploitation in the next 30 days.

Description

An issue was discovered in WSO2 API Manager 2.6.0, WSO2 Enterprise Integrator 6.5.0, WSO2 IS as Key Manager 5.7.0, and WSO2 Identity Server 5.8.0. A potential stored Cross-Site Scripting (XSS) vulnerability in mediaType has been identified in the registry UI.

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

0.80%

51.9th 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
Wso2	Enterprise Integrator	6.5.0
Wso2	Identity Server	5.7.0
Wso2	Identity Server	5.8.0

References

https://cybersecurityworks.com/zerodays/cve-2019-20443-wso2.htmlExploit, Third Party Advisory
https://docs.wso2.com/display/Security/Security+Advisory+WSO2-2019-0636Vendor Advisory
https://github.com/cybersecurityworks/Disclosed/issues/26Exploit, Third Party Advisory
https://cybersecurityworks.com/zerodays/cve-2019-20443-wso2.htmlExploit, Third Party Advisory
https://docs.wso2.com/display/Security/Security+Advisory+WSO2-2019-0636Vendor Advisory
https://github.com/cybersecurityworks/Disclosed/issues/26Exploit, Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2019-20443?

How severe is CVE-2019-20443?

CVE-2019-20443 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.80% probability of exploitation in the next 30 days.

How do I fix CVE-2019-20443?

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-2019-20443?

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

Scan your code now

Source: NVD / NIST