CVE-2026-27474 MEDIUM

CVE-2026-27474: SPIP < 4.4.9 Cross-Site Scripting in Private Area (Incomplete Fix)

Vendor Spip
Product SPIP
Published February 19, 2026
Last update March 5, 2026

CVSS base score

4.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

What the vulnerability does

01Description

SPIP before 4.4.9 allows Cross-Site Scripting (XSS) in the private area, complementing an incomplete fix from SPIP 4.4.8. The echappe_anti_xss() function was not systematically applied to input, form, button, and anchor (a) HTML tags, allowing an attacker to inject malicious scripts through these elements. This vulnerability is not mitigated by the SPIP security screen.

Key dates

02Disclosure timeline

February 19, 2026 CVE published
March 5, 2026 Record updated