RCE in Spip Saisies
CVE-2025-71243
The 'Saisies pour formulaire' (Saisies) plugin for SPIP versions 5.4.0 through 5.11.0 contains a critical Remote Code Execution (RCE) vulnerability. An attacker can exploit this vulnerability to execute arbitrary code on the server. Users should immediately update to version 5.11.1 or later.
Vulnerability class: RCE (Remote Code Execution)
EPSS: 0.051 (91.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Spip Saisies
- Spip Saisies Pour Formulaire — versions 5.4.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- disclosure@vulncheck.com (vendor-advisory, patch, Vendor Advisory)
- disclosure@vulncheck.com (Product, product)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2025-71243?
- CVE-2025-71243 is a critical-severity vulnerability in Spip Saisies, classified under Code Injection. CVSS score: 9.8/10. Published 2026-02-19.
- How severe is CVE-2025-71243?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2025-71243 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.