What is the CVSS score of CVE-2025-48921?

CVE-2025-48921 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 Open Social are affected by CVE-2025-48921?

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.

How to fix or mitigate CVE-2025-48921?

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 CVE-2025-48921

EUVD-2025-19189 HIGH

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

2025-06-26 mlhess@drupal.org

CSRF Drupal Open Social

8.8

CVSS 3.1

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

Analysis Updated

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

executive_summary

Re-analysis Queued

Apr 16, 2026 - 05:29 backfill_euvd_patch

patch_released

Patch available

Apr 16, 2026 - 05:29 EUVD

12.4.13,12.3.14

EUVD ID Assigned

Mar 15, 2026 - 23:54 euvd

EUVD-2025-19189

Analysis Generated

Mar 15, 2026 - 23:54 vuln.today

CVE Published

Jun 26, 2025 - 14:15 nvd

HIGH 8.8

DescriptionNVD

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.

Analysis

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.

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).

RemediationAI

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

CVE-2025-48921 vulnerability details – vuln.today

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Open Social CVE-2025-48921

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

Analysis

Technical ContextAI

RemediationAI

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External POC / Exploit Code