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Missing authorization in Kali Forms lets subscribers send spoofed email

Priority LOW 19CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
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 Kali Forms contact form and drag-and-drop builder WordPress plugin before 2.4.30 does not check user capabilities on its test-email handler. A nonce that any logged-in user can obtain is the only check, so a low-privileged user such as a Subscriber can make the site send email to an arbitrary recipient with a spoofed sender address. A public exploit is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-11-01

Description from the CNA

The Kali Forms — Contact Form & Drag-and-Drop Builder WordPress plugin before 2.4.30 does not perform a capability check on its test-email handler, relying only on a nonce that is available to any logged-in user, so a low-privileged user such as a Subscriber can make the site send email to an arbitrary recipient with a spoofed sender address.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00152 4th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Kali Forms — Contact Form & Drag-and-Drop Builder (Unknown): 2.4.30

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
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
UnknownKali Forms — Contact Form & Drag-and-Drop Builderbefore 2.4.302.4.30Patch availableCNA
  • Kali Forms — Contact Form & Drag-and-Drop Builder VendorUnknown Affected before 2.4.30 Fixed in 2.4.30 Patch available CNA

Remediation

Update Kali Forms to version 2.4.30, which fixes the flaw. The sources list no vendor advisory identifier for this fix.

Written with Claude Haiku 5.5 from the sources below · 2026-11-01

  • Fix · CNA Kali Forms — Contact Form & Drag-and-Drop Builder (Unknown) Fixed in 2.4.30

Fixed in the same release

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

  • Release ·

    Kali Forms — Contact Form & Drag-and-Drop Builder 2.4.30

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-83584 Kali Forms plugin lets subscribers read user email addressesPriority LOW 19

Timeline

  1. 2026-11-01 Threatist record created from CVE-2026-107343
  2. 2026-11-01 Alias added: GHSA-r3f9-h5m2-87ch
  3. 2026-11-01 CVSS score added · CISA ADP
  4. 2026-11-01 Weakness changed · CISA ADP
  5. 2026-11-01 CISA SSVC decision points changed

References

Sources