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Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVE-2025-12518

Medium
5.3/10

Summary

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.

  • LOW
  • NETWORK
  • PASSIVE
  • NONE

CWE-79 - Cross Site Scripting

Cross-Site Scripting, commonly referred to as XSS, is the most dominant class of vulnerabilities. It allows an attacker to inject malicious code into a pregnable web application and victimize its users. The exploitation of such a weakness can cause severe issues such as account takeover, and sensitive data exfiltration. Because of the prevalence of XSS vulnerabilities and their high rate of exploitation, it has remained in the OWASP top 10 vulnerabilities for years.

References

Advisory Timeline

  • Published