Unrated severityNVD Advisory· Published Feb 19, 2026· Updated Mar 5, 2026
SPIP < 4.4.9 Stored Cross-Site Scripting via Syndicated Sites
CVE-2026-27473
Description
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.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-9.htmlmitrevendor-advisorypatch
- www.vulncheck.com/advisories/spip-stored-cross-site-scripting-via-syndicated-sitesmitrethird-party-advisory
News mentions
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