What’s Vulnerable › Vulnerabilities

CVE-2025-71244: SPIP < 4.4.5 Open Redirect via Login Form

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-19 · updated 2026-06-17
• Weakness: CWE-601

Description

SPIP before 4.4.5 and 4.3.9 allows an Open Redirect via the login form when used in AJAX mode. An attacker can craft a malicious URL that, when visited by a victim, redirects them to an arbitrary external site after login. This vulnerability only affects sites where the login page has been overridden to function in AJAX mode. It is not mitigated by the SPIP security screen.

Affected products

• SPIP: from 4.3.0 before 4.3.9; from 4.4.0 before 4.4.5 — fixed in 4.3.9, 4.4.5

How to fix

Upgrade to a fixed version: SPIP 4.3.9, 4.4.5. Check the vendor advisory for mitigations.

References

• https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-5.html
• https://git.spip.net/spip/spip
• https://www.vulncheck.com/advisories/spip-open-redirect-via-login-form

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