CVE-2025-71241: Spip

Medium severity, CVSS 6.1. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Spip Spip: from 4.1.0, before 4.1.20 (fixed in 4.1.20); from 4.2.0, before 4.2.17 (fixed in 4.2.17); from 4.3.0, before 4.3.6 (fixed in 4.3.6)

Published 2026-02-19. Last modified 2026-06-17.