{"id":"CVE-2026-115350","revision":"e091beb71f2845ab985c3c11f79eb52a","records":[{"revision":"e091beb71f2845ab985c3c11f79eb52a","observedAt":"2026-10-29T03:48:01.066+00:00","statement":{"source":"cve-program","id":"CVE-2026-115350","aliases":[],"title":"Mistune before 3.3.0 Stored XSS via Include Directive HTML Files","description":"Mistune before 3.3.0 contains a cross-site scripting vulnerability in the Include directive that emits included .html, .xhtml, or .htm file content as raw block_html tokens. Attackers who can plant an HTML file readable by the renderer can reference it via an include directive, combined with path traversal, to execute stored scripts when escape=False is set.","state":0,"publishedAt":"2026-10-22T19:13:26.891+00:00","modifiedAt":"2026-10-29T02:24:58.381+00:00","affected":[{"ecosystem":"Vendor product","name":"mistune","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"lepture\",\n                    \"product\": \"mistune\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:pypi/mistune\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"3.3.0\"\n                        },\n                        {\n                            \"version\": \"3.3.0\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","score":5.3,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1,"severity":"MEDIUM"}],"references":["https://github.com/lepture/mistune/security/advisories/GHSA-96vr-jm8v-g22j","https://www.vulncheck.com/advisories/mistune-before-3.3.0-stored-xss-via-include-directive-html-files"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-115350","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-115350","identifiers":["CVE-2026-115350"]},"retained":false,"historicalAffected":[]}],"coverage":[]}