What is CVE-2026-57373?

CVE-2026-57373 is a medium-severity vulnerability in Wisetr Inc. Funnel Kit Builder Pro, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2026-07-23.

How severe is CVE-2026-57373?

Medium severity. CVSS v3 base score is 6.5 out of 10.

XSS in Wisetr Inc. Funnel Kit Builder Pro

CVE-2026-57373

Customer Cross Site Scripting (XSS) in Funnel Kit Funnel Builder PRO <= 3.15.0.4 versions.

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L.

Affected products

Wisetr Inc. Funnel Kit Builder Pro — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2026-57373?: CVE-2026-57373 is a medium-severity vulnerability in Wisetr Inc. Funnel Kit Builder Pro, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2026-07-23.
How severe is CVE-2026-57373?: Medium severity. CVSS v3 base score is 6.5 out of 10.