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TI-2026-67431 Aliases CVE-2026-86832GHSA-5m3g-q793-wg8x

MetForm < 4.3.1 - Unauthenticated Form Entry Data Disclosure via REST API

Priority LOW 29CWE-200Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-200.

Summary

The MetForm WordPress plugin before 4.3.1 does not properly restrict access to form submission data, allowing unauthenticated attackers to view submitter information through the REST API.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00206 10th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed MetForm (Unknown): 4.3.1

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
UnknownMetFormbefore 4.3.14.3.1Patch availableCNA
  • MetForm VendorUnknown Affected before 4.3.1 Fixed in 4.3.1 Patch available CNA

Remediation

  • Fix · CNA MetForm (Unknown) Fixed in 4.3.1

Fixed in the same release

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

  • Release ·

    MetForm 4.3.1

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-67432 MetForm 2.2.1 - 4.3.0 - Unauthenticated Debug File Disclosure via HubSpot Forms IntegrationPriority LOW 17

Timeline

  1. 2026-10-03 Threatist record created from CVE-2026-86832
  2. 2026-10-03 Alias added: GHSA-5m3g-q793-wg8x
  3. 2026-10-03 CVSS score added · CISA ADP
  4. 2026-10-03 Weakness changed · CISA ADP
  5. 2026-10-03 CISA SSVC decision points changed

References

Sources