CVE-2021-4296

Name of the Vulnerable Software and Affected Versions w3c Unicorn (affected versions not specified)

Description A problematic issue has been found in w3c Unicorn, affecting the function ValidatorNuMessage of the file src/org/w3c/unicorn/response/impl/ValidatorNuMessage.java. The manipulation of the argument message leads to cross-site scripting. The attack may be initiated remotely.

Recommendations To fix this issue, it is recommended to apply a patch with the name 51f75c31f7fc33859a9a571311c67ae4e95d9c68. As a temporary workaround, consider disabling the ValidatorNuMessage function until a patch is available. Restrict access to the vulnerable file src/org/w3c/unicorn/response/impl/ValidatorNuMessage.java to minimize the risk of exploitation. Avoid using the argument message in the affected function until the issue is resolved.