An issue was discovered in MISP before 2.4.158. There is stored XSS in the event graph via a tag name.
github.com/MISP/MISP/commit/bb3b7a7e91862742cae228c43b3091bad476dcc0
github.com/MISP/MISP/compare/v2.4.157...v2.4.158
zigrin.com/advisories/misp-stored-xss-in-the-event-graph/
zigrin.com/cakephp-application-cybersecurity-research-protect-your-website-from-stored-xss-attacks-understanding-and-preventing-vulnerabilities-in-open-source-applications/