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PatchSiren cyber security CVE debrief

CVE-2026-57374 Wisetr INC. CVE debrief

CVE-2026-57374 is an Unauthenticated Cross Site Scripting (XSS) vulnerability in Funnel Kit Funnel Builder PRO versions <= 3.15.0.7. This high-severity vulnerability allows unauthenticated attackers to inject malicious scripts, potentially leading to unauthorized script execution and compromising user sessions or data theft. Defenders responsible for Funnel Kit Funnel Builder PRO installations should assess exposure and apply

Vendor
Wisetr INC.
Product
Funnel Kit Funnel Builder PRO
CVSS
HIGH 7.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-23
Original CVE updated
2026-10-24
Advisory published
2026-07-23
Advisory updated
2026-10-24

Who should care

Defenders responsible for Funnel Kit Funnel Builder PRO installations should assess exposure and prioritize patching or mitigation to prevent potential XSS attacks.

Why it matters

CVE-2026-57374 is a high-severity Unauthenticated Cross Site Scripting (XSS) vulnerability in Funnel Kit Funnel Builder PRO versions <= 3.15.0.7, requiring verification of exposure and prompt patching or mitigation to prevent potential XSS attacks.

  • Potential XSS attacks could lead to unauthorized script execution.
  • Defenders should verify exposure and apply patches or mitigations to prevent potential XSS attacks.
  • Successful exploitation could result in compromised user sessions or data theft.

Technical summary

CVE-2026-57374 is an Unauthenticated Cross Site Scripting (XSS) vulnerability in Funnel Kit Funnel Builder PRO versions <= 3.15.0.7.

Defensive priority

Defenders should prioritize verifying exposure and applying patches or mitigations to prevent potential XSS attacks.

Recommended defensive actions

  • Verify exposure by checking if Funnel Kit Funnel Builder PRO versions <= 3.15.0.7 are in use.
  • Apply patches or mitigations to prevent potential XSS attacks.
  • Monitor for potential exploitation attempts.

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability, with the NVD entry currently listed as Deferred.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-57374 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-57374

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-57374 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-57374

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.