Detections
Analytics

SPIP CMS 4.4.20 Remote Code Execution

critical Web App Scanning Plugin ID 115453

Synopsis

SPIP CMS 4.4.20 Remote Code Execution

Description

The SPIP CMS versions 4.4.20 allows unauthenticated remote attackers to execute arbitrary code due to a code injection via an X-Spip-Filtre HTTP request header that is mishandled by analyse_resultat_skel.

Solution

Upgrade to SPIP CMS 4.4.21 or later.

See Also

https://blog.spip.net/Mise-a-jour-critique-de-securite-sortie-de-SPIP-4-4-21.html

Plugin Details

Severity: Critical

ID: 115453

Type: Check Based

Published: 9/1/2026

Updated: 9/1/2026

Scan Template: basic, full, pci, scan

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.15

CVSS v2

Risk Factor: Critical

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-77806

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS Score Source: CVE-2026-77806

Vulnerability Information

CPE: cpe:2.3:a:spip:spip:*:*:*:*:*:*:*:*

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/20/2026

Vulnerability Publication Date: 8/20/2026

Reference Information

CVE: CVE-2026-77806