What is the CVSS score of CVE-2025-14557?

CVE-2025-14557 has a CVSS 3.1 base score of 4.8 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of Facebook Pixel are affected by CVE-2025-14557?

CVE-2025-14557 presents moderate security risk, a cross-site scripting vulnerability rated CVSS 4.8. Attackers could inject scripts to steal sessions or perform actions as authenticated users.

Is there a public PoC exploit available for CVE-2025-14557?

Yes, a public proof-of-concept exploit is available for CVE-2025-14557. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2025-14557?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Facebook Pixel CVE-2025-14557

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2026-01-14 mlhess@drupal.org

XSS Drupal Facebook Pixel

4.8

CVSS 3.1

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Jan 23, 2026 - 14:04 vuln.today

Public exploit code

CVE Published

Jan 14, 2026 - 19:16 nvd

MEDIUM 4.8

DescriptionNVD

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Drupal Facebook Pixel facebook_pixel allows Stored XSS.This issue affects Facebook Pixel: from 7.X-1.0 through 7.X-1.1.

AnalysisAI

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects Facebook Pixel. Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Drupal Facebook Pixel facebook_pixel allows Stored XSS.This issue affects Facebook Pixel: from 7.X-1.0 through 7.X-1.1.

RemediationAI

Monitor vendor advisories for a patch. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.

CVE-2025-14557 vulnerability details – vuln.today

Back