{"id":"CVE-2026-27473","summary":"SPIP \u003c 4.4.9 Stored Cross-Site Scripting via Syndicated Sites","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":"2026-08-12T03:51:35.403353169Z","published":"2026-02-19T18:38:26.735Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27473.json","cna_assigner":"VulnCheck"},"references":[{"type":"WEB","url":"https://git.spip.net/spip/spip"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27473.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27473"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/spip-stored-cross-site-scripting-via-syndicated-sites"},{"type":"FIX","url":"https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-9.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.spip.net/spip/spip","events":[{"introduced":"34c023d47b424b5b4daebe8be37e2c4f1142ebc0"},{"fixed":"7e73bd61dfe16533b32a0c0a5a9c2bf48a07a283"}],"database_specific":{"extracted_events":[{"introduced":"4.4.0"},{"fixed":"4.4.9"}],"source":["AFFECTED_FIELD","CPE_RANGE"],"cpe":"cpe:2.3:a:spip:spip:*:*:*:*:*:*:*:*"}}],"versions":["4.4.8","4.4.7","4.4.6","4.4.5","4.4.4","4.4.3","4.4.2","4.4.1","4.4.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-27473.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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"}]}