Auth bypass in Spip
CVE-2025-71242
SPIP before 4.3.6, 4.2.17, and 4.1.20 allows unauthorized content disclosure in the private area. The application does not properly check authorization when displaying content of articles and sections (rubriques) in AJAX-loaded fragments, allowing an authenticated attacker to access restricted content. This vulnerability is not mitigated by the SPIP security screen.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (15.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 15.4% 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: 0.003 · change: +0.000
Affected products
- Spip — versions 4.1.0, 4.2.0, 4.3.0
Weakness classification (CWE)
References
- blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-3-6.html (vendor-advisory, patch, Broken Link)
- git.spip.net/spip/spip (Product, product)
- www.vulncheck.com/advisories/spip-authorization-bypass-leading-to-content-discl… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2025-71242?
- CVE-2025-71242 is a medium-severity vulnerability in Spip, classified under Improper Authorization. CVSS score: 6.5/10. Published 2026-02-19.
- How severe is CVE-2025-71242?
- Medium severity. CVSS v3 base score is 6.5 out of 10.