Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Apache Felix Webconsole. This issue affects Apache Felix Webconsole 4.x up to 4.9.8 and 5.x up to 5.0.8. Users are recommended to upgrade to version 4.9.10 or 5.0.10 or higher, which fixes the issue.
https://lists.apache.org/thread/z47jbf0rbylzd0ktfzdw9c8b5fpyl24m