wagtail is vulnerable to cross-site scripting (XSS). The vulnerability exists as the page revision history output is returned as unescaped HTML when viewed in the admin interface.
github.com/advisories/GHSA-v2wc-pfq2-5cm6
github.com/wagtail/wagtail/commit/61045ceefea114c40ac4b680af58990dbe732389
github.com/wagtail/wagtail/commit/e4c0a9f61cc2ee9a69120f144d51af97114d375a
github.com/wagtail/wagtail/releases/tag/v2.8.1
github.com/wagtail/wagtail/security/advisories/GHSA-v2wc-pfq2-5cm6