What is CVE-2025-14557?

CVE-2025-14557 is a medium-severity vulnerability in Drupal Facebook Pixel, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-01-14.

How severe is CVE-2025-14557?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Drupal Facebook Pixel

CVE-2025-14557

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (8.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Drupal Facebook Pixel — versions 7.x-1.0
Facebook_pixel_project Facebook_pixel

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

mlhess@drupal.org (Exploit, Third Party Advisory, third-party-advisory)
mlhess@drupal.org (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2025-14557?: CVE-2025-14557 is a medium-severity vulnerability in Drupal Facebook Pixel, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-01-14.
How severe is CVE-2025-14557?: Medium severity. CVSS v3 base score is 4.8 out of 10.