CVE-2025-71243

CRITICAL
2026-02-19 [email protected]
9.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:03 vuln.today
CVE Published
Feb 19, 2026 - 16:27 nvd
CRITICAL 9.8

Tags

RCE Saisies

Description

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.

Analysis

The Saisies plugin for SPIP CMS versions 5.4.0 through 5.11.0 contains a critical remote code execution vulnerability. Attackers can exploit the vulnerability to execute arbitrary code on the SPIP server, compromising the content management system and its database.

Technical Context

The Saisies (Forms) plugin for SPIP provides form building functionality for the CMS. Versions 5.4.0 through 5.11.0 contain a code injection flaw that allows attackers to execute arbitrary PHP code through crafted form inputs. SPIP's template compilation mechanism processes the injected code, executing it in the server context.

Affected Products

['SPIP Saisies plugin 5.4.0 through 5.11.0']

Remediation

Update the Saisies plugin to version 5.11.1 or later immediately. If updating is not possible, disable or remove the plugin. Audit SPIP logs for suspicious form submissions. Verify the integrity of published content.

Priority Score

123
Low Medium High Critical
KEV: 0
EPSS: +73.5
CVSS: +49
POC: 0

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CVE-2025-71243 vulnerability details – vuln.today
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