CVE-2021-36760

Name: CVE-2021-36760
Creator: NVD / NIST
Published: 2021-12-07T21:15:08.297+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.72%

Last modified Jun 17, 2026

CVE-2021-36760 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. In accountrecoveryendpoint/recoverpassword.do in WSO2 Identity Server 5.7.0, it is possible to perform a DOM-Based XSS attack affecting the callback parameter modifying the URL that precedes the callback parameter. Once the username or password reset procedure is completed, the JavaScript code will be executed. EPSS estimates a 0.72% chance of exploitation in the next 30 days.

Description

In accountrecoveryendpoint/recoverpassword.do in WSO2 Identity Server 5.7.0, it is possible to perform a DOM-Based XSS attack affecting the callback parameter modifying the URL that precedes the callback parameter. Once the username or password reset procedure is completed, the JavaScript code will be executed. (recoverpassword.do also has an open redirect issue for a similar reason.)

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.72%

49.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Wso2	Api Manager	3.0.0
Wso2	Api Manager	3.1.0
Wso2	Api Manager	3.2.0
Wso2	Api Manager	4.0.0
Wso2	Identity Server	5.7.0
Wso2	Identity Server	5.8.0
Wso2	Identity Server	5.9.0
Wso2	Identity Server	5.10.0
Wso2	Identity Server	5.11.0
Wso2	Identity Server As Key Manager	5.3.0
Wso2	Identity Server As Key Manager	5.5.0
Wso2	Identity Server As Key Manager	5.6.0
Wso2	Identity Server As Key Manager	5.7.0
Wso2	Identity Server As Key Manager	5.9.0
Wso2	Identity Server As Key Manager	5.10.0
Wso2	Iot Server	3.3.1

References

https://docs.wso2.com/display/Security/2021+AdvisoriesVendor Advisory
https://docs.wso2.com/display/Security/Security+Advisory+WSO2-2021-1314Vendor Advisory
https://docs.wso2.com/display/Security/2021+AdvisoriesVendor Advisory
https://docs.wso2.com/display/Security/Security+Advisory+WSO2-2021-1314Vendor Advisory

Timeline

Published: Dec 7, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36760?

How severe is CVE-2021-36760?

CVE-2021-36760 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.72% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36760?

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-2021-36760?

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

Scan your code now

Source: NVD / NIST