XSS in Spip
CVE-2025-71241
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.
Vulnerability class: XSS (Cross-Site Scripting)
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 (7.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 7.9% 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 4.1.0, 4.2.0, 4.3.0
Weakness classification (CWE)
References
- blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-3-6-SPIP-4-2-17-SPIP-4-1… (vendor-advisory, Release Notes, patch, Vendor Advisory)
- git.spip.net/spip/spip (Product, product)
- www.vulncheck.com/advisories/spip-cross-site-scripting-in-private-area (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2025-71241?
- CVE-2025-71241 is a medium-severity vulnerability in Spip, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-02-19.
- How severe is CVE-2025-71241?
- Medium severity. CVSS v3 base score is 6.1 out of 10.