CVE-2025-14557Public exploitNetwork attack vector

Stored XSS via unsanitized pixel configuration

Published Jan 14, 2026 · Updated Jan 14, 2026

Stored XSS in Drupal Facebook Pixel 7.x-1.0 through 7.x-1.1 allows remote authenticated users to execute script in visitors' browsers. The module stores unsanitized input from the Facebook Pixel configuration form and inserts it into the pixel code placed on every page. The attacker needs the Administer Facebook pixel permission; successful injection can read or alter data available to the victim's browser session.

CVSS severity4.8
Medium
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Drupal Facebook Pixel 7.x-1.0 through 7.x-1.1 allows remote authenticated users to execute script in visitors' browsers. The module stores unsanitized input from the Facebook Pixel configuration form and inserts it into the pixel code placed on every page. The attacker needs the Administer Facebook pixel permission; successful injection can read or alter data available to the victim's browser session.

The record

CVE
CVE-2025-14557
Published
Jan 14, 2026
Updated
Jan 14, 2026
Vendor
Avatar Uploader Project
Product
Facebook Pixel
Classifications
CWE-79, CAPEC-592, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jan 14, 2026CVE publishedPublication date reported by the CVE source.
  2. Jan 14, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=7.x-1.0 <=7.x-1.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Avatar Uploader Project · Facebook Pixelversion=7.x-1.0 <=7.x-1.1

Published CVSS scores

4.8Drupal.orgCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
4.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-592Stored XSS
T1059.007JavaScript

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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