CVE-2025-12518CWE-79

Stored XSS in beefree.io

Medium · published March 18, 2026

CVSS v4.0
5.3
EPSS
0%
Percentile
21.1
In the wild
Unconfirmed
What it is

beefree.io SDK is vulnerable to Stored XSS in Social Media icon URL parameter in email builder functionality. Malicious attacker can inject arbitrary HTML and JS into template, which will be rendered/executed when visiting preview page. However due to beefree's Content Security Policy not all payloads will execute successfully.

This issue has been fixed in version 3.47.0.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
EPSS
0.00296 · 21.1th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-03-18T11:03Z
EPSS history
Timeline
  • 18 MAR 11:03Z
    Stored XSS in beefree.io
    cvelistv5