CVE-2019-20443 : An issue was discovered in WSO2 API Manager 2.6.0, WSO2 Enterprise Integrator 6.

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.

Published 2020-01-28 00:15:11

Updated 2020-11-10 19:40:46

Source MITRE

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)

Products affected by CVE-2019-20443

Wso2 » Identity Server » Version: 5.7.0
cpe:2.3:a:wso2:identity_server:5.7.0:*:*:*:*:*:*:*
Matching versions
Wso2 » Identity Server » Version: 5.8.0
cpe:2.3:a:wso2:identity_server:5.8.0:*:*:*:*:*:*:*
Matching versions
Wso2 » Enterprise Integrator » Version: 6.5.0
cpe:2.3:a:wso2:enterprise_integrator:6.5.0:*:*:*:*:*:*:*
Matching versions
Wso2 » Api Manager » Version: 2.6.0
cpe:2.3:a:wso2:api_manager:2.6.0:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2019-20443

EPSS FAQ

0.09%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 36 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-20443

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
3.5	LOW	AV:N/AC:M/Au:S/C:N/I:P/A:N	6.8	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: Single Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
3.5	LOW	CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N	0.9	2.5	MITRE
Attack Vector: Network Attack Complexity: Low Privileges Required: High User Interaction: Required Scope: Unchanged Confidentiality: Low Integrity: Low Availability: None
4.8	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N	1.7	2.7	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: High User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None

CWE ids for CVE-2019-20443

CWE-79 Improper 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.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2019-20443

https://cybersecurityworks.com/zerodays/cve-2019-20443-wso2.html

CVE-2019-20443 - Stored Cross-Site Scripting (XSS) in WSO2
Exploit;Third Party Advisory
https://github.com/cybersecurityworks/Disclosed/issues/26

Stored Cross Site Scripting (XSS) in 'mediaType' variable | WSO2 Product (WSO2 Identity Server version 5.7.0) · Issue #26 · cybersecurityworks/Disclosed · GitHub
Exploit;Third Party Advisory
https://docs.wso2.com/display/Security/Security+Advisory+WSO2-2019-0636

Security Advisory WSO2-2019-0636 - WSO2 Platform Security - WSO2 Documentation
Vendor Advisory

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Vulnerability Details : CVE-2019-20443

Products affected by CVE-2019-20443

Exploit prediction scoring system (EPSS) score for CVE-2019-20443

CVSS scores for CVE-2019-20443

CWE ids for CVE-2019-20443

References for CVE-2019-20443