SPIP up to 4.1.19/4.2.16/4.3.5 improper authentication

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.7	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in SPIP up to 4.1.19/4.2.16/4.3.5. This impacts an unknown function. Such manipulation leads to improper authentication. This vulnerability is documented as CVE-2025-71242. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in SPIP up to 4.1.19/4.2.16/4.3.5. Affected by this issue is an unknown part. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality. CVE summarizes:

SPIP before 4.3.6, 4.2.17, and 4.1.20 allows unauthorized content disclosure in the private area. The application does not properly check authorization when displaying content of articles and sections (rubriques) in AJAX-loaded fragments, allowing an authenticated attacker to access restricted content. This vulnerability is not mitigated by the SPIP security screen.

The weakness was released with SPIP security team. The advisory is shared for download at blog.spip.net. This vulnerability is handled as CVE-2025-71242 since 02/19/2026. The exploitation is known to be easy. The attack may be launched remotely. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 299651 (Linux Distros Unpatched Vulnerability : CVE-2025-71242), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.1.20, 4.2.17 or 4.3.6 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (299651). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Content Management System

Name

• SPIP

Version

• 4.1.0
• 4.1.1
• 4.1.2
• 4.1.3
• 4.1.4
• 4.1.5
• 4.1.6
• 4.1.7
• 4.1.8
• 4.1.9
• 4.1.10
• 4.1.11
• 4.1.12
• 4.1.13
• 4.1.14
• 4.1.15
• 4.1.16
• 4.1.17
• 4.1.18
• 4.1.19
• 4.2.0
• 4.2.1
• 4.2.2
• 4.2.3
• 4.2.4
• 4.2.5
• 4.2.6
• 4.2.7
• 4.2.8
• 4.2.9
• 4.2.10
• 4.2.11
• 4.2.12
• 4.2.13
• 4.2.14
• 4.2.15
• 4.2.16
• 4.3.0
• 4.3.1
• 4.3.2
• 4.3.3
• 4.3.4
• 4.3.5

License

• free

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.7

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔒

CNA Base Score: 6.5
CNA Vector (VulnCheck): 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 299651
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-71242

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: SPIP 4.1.20/4.2.17/4.3.6

Timelineinfo

02/19/2026 Advisory disclosed
02/19/2026 +0 days CVE reserved
02/19/2026 +0 days VulDB entry created
03/03/2026 +12 days VulDB entry last update

Sourcesinfo

Advisory: blog.spip.net
Organization: SPIP security team
Status: Confirmed

CVE: CVE-2025-71242 (🔒)
GCVE (CVE): GCVE-0-2025-71242
GCVE (VulDB): GCVE-100-346916

Entryinfo

Created: 02/19/2026 16:30
Updated: 03/03/2026 05:21
Changes: 02/19/2026 16:30 (76), 02/20/2026 13:40 (2), 03/03/2026 05:21 (13)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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