An issue was discovered in MISP before 2.4.158. There is XSS in the cerebrate view if one administrator puts a javascript: URL in the URL field, and another administrator clicks on it.
github.com/MISP/MISP/commit/60c85b80e3ab05c3ef015bca5630e95eddbb1436
github.com/MISP/MISP/compare/v2.4.157...v2.4.158
zigrin.com/advisories/misp-xss-in-the-cerebrate-view/
zigrin.com/cakephp-application-cybersecurity-research-protect-your-website-from-stored-xss-attacks-understanding-and-preventing-vulnerabilities-in-open-source-applications/