CVE-2026-27474

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.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-9.html	Release Notes Vendor Advisory
https://git.spip.net/spip/spip	Product
https://www.vulncheck.com/advisories/spip-cross-site-scripting-in-private-area-incomplete-fix	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:spip:spip:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-02-19 19:22

Updated : 2026-03-02 15:16

NVD link : CVE-2026-27474

Mitre link : CVE-2026-27474

CVE.ORG link : CVE-2026-27474

JSON object : View

Products Affected

spip

spip

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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