Remote Code Execution Vulnerability in SPIP Saisies Plugin
CVE-2025-71243

9.3CRITICAL

Key Information:

Vendor

Spip

Status
Saisies Pour Formulaire
Vendor
CVE Published:
19 February 2026

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 84%

What is CVE-2025-71243?

The Saisies plugin for SPIP has a significant vulnerability that allows attackers to execute arbitrary code on the server. This critical issue affects SPIP versions from 5.4.0 to 5.11.0. It is crucial for users to update to version 5.11.1 or later to secure their applications and protect against potential exploitation. Leading to unauthorized access and control, this vulnerability poses a serious risk for users who have not applied the necessary updates.

Affected Version(s)

Saisies pour formulaire 5.4.0 < 5.11.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-71243
Created by Chocapikk

References

https://blog.spip.net/Mise-a-jour-critique-de-securite-po...
vendor-advisorypatch
https://plugins.spip.net/saisies
product
https://www.vulncheck.com/advisories/spip-saisies-plugin-...
third-party-advisory

EPSS Score

84% chance of being exploited in the next 30 days.

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

OpenStudio
.