CVE-2025-71241

Medium

Description

SPIP before 4.3.6, 4.2.17, and 4.1.20 allows Cross-Site Scripting (XSS) in the private area. The content of the error message displayed by the 'transmettre' API is not properly sanitized, allowing an attacker to inject malicious scripts. This vulnerability is mitigated by the SPIP security screen.

SeverityMedium

CVSS6.1

Exploit probability—

Product

Spip

PublishedFeb 19, 2026

First seenFeb 19, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

spip spip4.1.20, 4.2.17, 4.3.6 or later

Patches

blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-3-6-SPIP-4-2-17-SPIP-4-1-20.html

Affected products

Product	Affected versions	Fixed in
spip spip	4.1.0 ≤ v < 4.1.20, 4.2.0 ≤ v < 4.2.17, 4.3.0 ≤ v < 4.3.6	4.1.20, 4.2.17, 4.3.6

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