{"id":"CVE-2026-108725","revision":"44aa795e1a624c7296305d9fb743f883","records":[{"revision":"44aa795e1a624c7296305d9fb743f883","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-108725","aliases":[],"title":"Cheshire Cat AI core through 2.0.23 Stored XSS via uploads plugin","description":"Cheshire Cat AI core through 2.0.23 contains a stored cross-site scripting vulnerability in the uploads plugin that allows authenticated users to upload HTML files via POST /uploads without type restrictions. Attackers can send the public GET /uploads/{path} URL to a signed-in victim, executing script in the application origin with the victim's access_token cookie, including administrators.","state":0,"publishedAt":"2026-10-11T12:19:34.601+00:00","modifiedAt":"2026-10-13T13:18:28.253+00:00","affected":[{"ecosystem":"Vendor product","name":"core","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"cheshire-cat-ai\",\n                    \"product\": \"core\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"2.0.23\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:github/cheshire-cat-ai/core\",\n                    \"repo\": \"https://github.com/cheshire-cat-ai/core\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","score":5.1,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","score":5.4,"severity":"MEDIUM"}],"references":["https://hackmd.io/@haind03/cheshire-cat-uploads-stored-html-same-origin-xss","https://github.com/cheshire-cat-ai/core/blob/c22731e7009ac89835b1d7b1cabc5989d998ec3e/src/cat/scaffold/plugins/uploads/endpoints.py#L28-L96","https://github.com/cheshire-cat-ai/core","https://www.vulncheck.com/advisories/cheshire-cat-ai-core-through-2.0.23-stored-xss-via-uploads-plugin"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-108725","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-108725","identifiers":["CVE-2026-108725"]},"retained":false,"historicalAffected":[]}],"coverage":[]}