What is the CVSS score of EUVD-2025-19189?

EUVD-2025-19189 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%.

How to fix or mitigate EUVD-2025-19189?

Within 24 hours: identify all instances of Drupal Open Social and document current versions in use. Within 7 days: upgrade to version 12.3.14 or later (if on 12.3.x branch) or version 12.4.13 or later (if on 12.4.x branch). Within 30 days: validate patch deployment across all environments and conduct security testing to confirm CSRF protections are functioning.

Open Social EUVD-2025-19189

Q: Which versions of Open Social are affected by EUVD-2025-19189?

Drupal Open Social versions prior to 12.3.14 and 12.4.13 contain a Cross-Site Request Forgery vulnerability (CVSS 8.8) that enables attackers to execute unauthorized actions on behalf of…. A patch is available.

| CVE-2025-48921 HIGH

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

2025-06-26 mlhess@drupal.org

CSRF Drupal Open Social Getopensocial

8.8

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-352 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V3 - Web Frontend Security Anti-CSRF tokens, SameSite cookies MITRE ATT&CK 1 technique across 1 tactic: Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	An attacker can perform state-changing operations (password changes, fund transfers, data deletion) using the victim's authenticated session. With a CVSS score of 8.8 (HIGH), this represents a significant risk.
Exploit ScenarioDerived	An attacker hosts a malicious page that, when visited by an authenticated user, silently submits a forged request to the target application using the user's cookies.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

Patch available 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 15, 2026

Cross-Site Request Forgery (CSRF) vulnerability in Drupal Open Social allows Cross Site Request Forgery.This issue affects Open Social: from 0.0.0 before 12.3.14, from 12.4.0 before 12.4.13.

Earlier versions of this analysis (1)

v1 Mar 15, 2026 - 23:54 CVSS 8.8

RemediationAI

Implement anti-CSRF tokens for all state-changing operations. Use SameSite cookie attribute. Verify the Origin/Referer header on the server side.

Affected VersionsENISA

Open Social 12.4.0 <12.4.13

Open Social 0.0.0 <12.3.14

Affected Packages

euvd open_social fix: 12.3.14, 12.4.13

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

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).

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Exploit and PoC references, threat intelligence from 22 sources

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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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Updated

Apr 16, 2026 - 06:36 EUVD-patch-fix

executive summary

Patch available

Apr 16, 2026 - 05:29 EUVD

12.4.13,12.3.14

CVE Published

Jun 26, 2025 - 14:15 nvd

HIGH 8.8

Executive ViewAI

Why It Matters

Drupal Open Social versions prior to 12.3.14 and 12.4.13 contain a Cross-Site Request Forgery vulnerability (CVSS 8.8) that enables attackers to execute unauthorized actions on behalf of authenticated users. Organizations running affected versions face risk of unauthorized content modification, user account compromise, and data manipulation through malicious web requests.

Business Impact: High

Compensating Controls

Apply vendor patch. Interim mitigations pending patch deployment: implement same-site cookie attributes (SameSite=Strict), enforce Content Security Policy headers, require additional verification for sensitive operations, and monitor for suspicious cross-origin requests.

Threat Intelligence Overview

EPSS Score

0.0%

Top 93% exploitable

Data Quality

4 sources

Confidence: Medium

EUVD

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC No

EPSS 0.0%

Patch available Yes

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.