{"id":"CVE-2026-27473","details":"SPIP before 4.4.9 allows Stored Cross-Site Scripting (XSS) via syndicated sites in the private area. The #URL_SYNDIC output is not properly sanitized on the private syndicated site page, allowing an attacker who can set a malicious syndication URL to inject persistent scripts that execute when other administrators view the syndicated site details.","modified":"2026-03-15T21:45:14.186189Z","published":"2026-02-19T19:22:30.363Z","references":[{"type":"WEB","url":"https://git.spip.net/spip/spip"},{"type":"ADVISORY","url":"https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-9.html"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/spip-stored-cross-site-scripting-via-syndicated-sites"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.spip.net/spip/spip","events":[{"introduced":"34c023d47b424b5b4daebe8be37e2c4f1142ebc0"},{"fixed":"7e73bd61dfe16533b32a0c0a5a9c2bf48a07a283"}],"database_specific":{"versions":[{"introduced":"4.4.0"},{"fixed":"4.4.9"}]}}],"versions":["4.4.0","4.4.1","4.4.2","4.4.3","4.4.4","4.4.5","4.4.6","4.4.7","4.4.8"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-27473.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N"}]}