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Description

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.

PUBLISHED Reserved 2025-10-30 | Published 2026-03-18 | Updated 2026-03-18 | Assigner CERT-PL




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Product status

Default status
unknown

Any version before 3.47.0
affected

Credits

Michał Błaszczak finder

References

cert.pl/en/posts/2026/03/CVE-2025-12518 third-party-advisory

beefree.io/ product

cve.org (CVE-2025-12518)

nvd.nist.gov (CVE-2025-12518)

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