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Published: 04th November 2019

Severity: Medium

4.8 (CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N)


AFFECTED PRODUCTS

WSO2 API Manager


OVERVIEW

A potential Stored Cross-Site Scripting (XSS) vulnerability has been identified in the 'implement phase' of the API Publisher

DESCRIPTION

A stored XSS attack could be performed in implement phase of creating an API by sending an HTTP POST request with a harmful request parameter for context.


IMPACT

By leveraging an XSS attack, an attacker can make the browser get redirected to a malicious website, make changes in the UI of the web page, retrieve information from the browser or harm otherwise. However, since all the session related sensitive cookies are set with httpOnly flag and protected, session hijacking or similar attacks would not be possible.

SOLUTION

Apply the following patch based on your product version by following the instructions in the README file. If you have any questions, post them to security@wso2.com.

Please download the relevant patch based on the product you use following the matrix below. The patch can also be downloaded from http://wso2.com/security-patch-releases/.


Code

Product

Version

Patch

AM

WSO2 API Manager

2.6.0

WSO2-CARBON-PATCH-4.4.0-5185


Note: If you are a WSO2 customer with Support Subscription, please use WSO2 Update Manager (WUM) updates in order to apply the fix. This patch is intended for WSO2 community (free) users.


NOTES

If you are using newer versions of affected products than the ones mentioned in the “SOLUTION” section, this vulnerability is fixed. 

It is highly recommended to migrate older versions of the WSO2 products to the latest released version to receive security fixes.


CREDITS

WSO2 thanks, Sathish Kumar Balakrishnan (Cyber Security Works Pvt Ltd) for responsibly reporting the identified issue and working with us as we addressed them.


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