Open Redirect in Spip
CVE-2025-71244
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.
Vulnerability class: Open Redirect
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (7.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Spip — versions 4.3.0, 4.4.0
Weakness classification (CWE)
References
- blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-5.html (vendor-advisory, patch, Broken Link)
- git.spip.net/spip/spip (Product, product)
- www.vulncheck.com/advisories/spip-open-redirect-via-login-form (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2025-71244?
- CVE-2025-71244 is a medium-severity vulnerability in Spip, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2026-02-19.
- How severe is CVE-2025-71244?
- Medium severity. CVSS v3 base score is 6.1 out of 10.