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Published: 04th November 2019

Severity: Medium

CVSS Score: 6.1 (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N) 


WSO2 IS as Key Manager

WSO2 Identity Server


A potential Open Redirect vulnerability has been identified in account recovery and self-sign up flow.


Open Redirect vulnerability is discovered during account recovery and self-sign up flow, where the page will be redirected directly to the callback URL in the request which can be a malicious one.


An attacker can modify the query parameter value to a URL value of a malicious site, and trick a user to invoke the modified URL. This redirects the user to the malicious site and the attacker may successfully launch a phishing scam and steal user credentials or other sensitive information.


If you are using the latest released version of the above mentioned affected products

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 [email protected].

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/.





IS KMWSO2 IS as Key Manager5.7.0


For other products

Upgrade the products to the latest released version which are not affected by this vulnerability.

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.


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.


WSO2 thanks, Evgeny Anihovsky for responsibly reporting the identified issue and working with us as we addressed them.

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