{"id":"CVE-2026-104450","revision":"a4cfecb2bd37401c8299133979182a55","records":[{"revision":"a4cfecb2bd37401c8299133979182a55","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-104450","aliases":[],"title":"YesWiki before 4.6.7 ACL Bypass and Stored XSS via pointimage Action","description":"YesWiki before 4.6.7 contains a missing authorization flaw in the pointimage action (tools/attach/actions/pointimage.php), which saves content to an attacker-chosen page with write ACL checks bypassed. Unauthenticated attackers can POST pagetag, title, and description fields to any page rendering {{pointimage}} to append raw HTML or JavaScript to any wiki page, including pages whose write ACL restricts editing, causing stored cross-site scripting in viewers' and administrators' browsers.","state":0,"publishedAt":"2026-10-02T11:38:22.393+00:00","modifiedAt":"2026-10-02T14:52:29.719+00:00","affected":[{"ecosystem":"Vendor product","name":"yeswiki","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"YesWiki\",\n                    \"product\": \"yeswiki\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"4.6.7\"\n                        },\n                        {\n                            \"version\": \"4.6.7\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:L/SI:L/SA:N","score":8.2,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N","score":6.5,"severity":"MEDIUM"}],"references":["https://github.com/YesWiki/yeswiki/security/advisories/GHSA-7547-q56p-h99v","https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-acl-bypass-and-stored-xss-via-pointimage-action"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-104450","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-104450","identifiers":["CVE-2026-104450"]},"retained":false,"historicalAffected":[]}],"coverage":[]}