What is the CVSS score of CVE-2025-13871?

CVE-2025-13871 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

Which versions of Opinio are affected by CVE-2025-13871?

A critical vulnerability in ObjectPlanet Opinio 7.26 allows attackers to upload files and access them without authentication by exploiting a CSRF flaw in the resource management feature.

How to fix or mitigate CVE-2025-13871?

Within 24 hours: Identify all systems running Opinio 7.26 rev12562 and assess exposure; notify stakeholders and document current user access patterns. Within 7 days: Implement compensating controls (disable resource-management feature if non-critical, apply WAF rules to block suspicious file uploads, restrict network access to Opinio interface). Within 30 days: Monitor vendor communications for patch availability; evaluate upgrade to patched version once released or consider alternative solutions.

Opinio CVE-2025-13871

EUVD-2025-200217 HIGH

Cross-Site Request Forgery (CSRF) (CWE-352)

2025-12-02 64c5ae8f-7972-4697-86a0-7ada793ac795

CSRF Opinio

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

EUVD ID Assigned

Mar 15, 2026 - 14:04 euvd

EUVD-2025-200217

Analysis Generated

Mar 15, 2026 - 14:04 vuln.today

CVE Published

Dec 02, 2025 - 10:16 nvd

HIGH 8.8

DescriptionCVE.org

Cross-Site Request Forgery (CSRF) in the resource-management feature of

ObjectPlanet Opinio 7.26 rev12562

allows to upload files on behalf of the connected users and then access such files without authentication.

Analysis

Cross-Site Request Forgery (CSRF) in the resource-management feature of

ObjectPlanet Opinio 7.26 rev12562

allows to upload files on behalf of the connected users and then access such files without authentication.

Technical ContextAI

Cross-Site Request Forgery forces authenticated users to perform unintended actions by tricking their browser into sending forged requests. This vulnerability is classified as Cross-Site Request Forgery (CSRF) (CWE-352).