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TI-2026-55138 Aliases CVE-2026-79632GHSA-4w2x-h688-7527

WPFunnels < 3.13.0 - Unauthenticated Arbitrary Recipient Email Sending via wpfnl_shortcode_optin_submission

Priority LOW 30CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-862.

Summary

The WPFunnels WordPress plugin before 3.13.0 does not perform any authorisation or nonce check in one of its opt-in submission handlers, and takes the notification recipients and subject from the request, allowing unauthenticated users to make the site send emails to arbitrary recipients with an arbitrary subject.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00304 23rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed WPFunnels (Unknown): 3.13.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownWPFunnels3.1.0 to before 3.13.03.13.0Patch availableCNA
  • WPFunnels VendorUnknown Affected 3.1.0 to before 3.13.0 Fixed in 3.13.0 Patch available CNA

Remediation

  • Fix · CNA WPFunnels (Unknown) Fixed in 3.13.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    WPFunnels 3.13.0

    4 records Highest priority Priority LOW 4 LOW

    Other records, highest priority first

    • TI-2026-55137 WPFunnels < 3.13.0 - Unauthenticated Order and Opt-In PII Disclosure via Web-Accessible Log FilesPriority LOW 30
    • TI-2026-55136 WPFunnels < 3.13.0 - Unauthenticated Price Manipulation via Order Bump Product ID SubstitutionPriority LOW 30
    • TI-2025-14308 WPFunnels < 3.13.0 - Unauthenticated User Registration via Opt-in FormsPriority LOW 30
    Show all 4 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-79632
  2. 2026-10-03 Alias added: GHSA-4w2x-h688-7527

References

Exploit 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences