CVE-2026-27473SPIP < 4.4.9 Stored Cross-Site Scripting via Syndicated Sites

Descripción

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.

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

Referencias y parches

• https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-9.html vendor-advisorypatchRelease NotesVendor Advisory
• https://git.spip.net/spip/spip productProduct
• VulnCheck Advisory: SPIP < 4.4.9 Stored Cross-Site Scripting via Syndicated Sites third-party-advisoryThird Party Advisory