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PatchSiren cyber security CVE debrief

CVE-2026-48966 FunnelKit CVE debrief

CVE-2026-48966 is a HIGH severity Unauthenticated Cross Site Scripting (XSS) vulnerability in Funnel Builder by FunnelKit versions <= 3.15.0.2. The vulnerability was published on [cvePublishedAt] and modified on [cveModifiedAt]. The CVSS score is 7.1.

Vendor
FunnelKit
Product
Funnel Builder by FunnelKit
CVSS
HIGH 7.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-15
Original CVE updated
2026-06-15
Advisory published
2026-06-15
Advisory updated
2026-06-15

Who should care

Users of Funnel Builder by FunnelKit versions <= 3.15.0.2 should apply patches or mitigations to prevent exploitation of this vulnerability.

Technical summary

CVE-2026-48966 is a Cross Site Scripting (XSS) vulnerability in Funnel Builder by FunnelKit. The vulnerability has a CVSS score of 7.1 and is classified as HIGH severity.

Defensive priority

HIGH

Recommended defensive actions

  • Apply patches or updates to Funnel Builder by FunnelKit to version > 3.15.0.2.
  • Review and restrict user input to prevent XSS attacks.

Evidence notes

Evidence from Patchstack indicates a vulnerability in Funnel Builder by FunnelKit.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-48966 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-48966

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

  • CVE-2026-48966 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-48966

    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.