MetForm < 4.3.1 - Unauthenticated Form Entry Data Disclosure via REST API
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
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | MetForm | before 4.3.1 | 4.3.1 | Patch available | CNA |
- 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
- 2026-10-03 Threatist record created from CVE-2026-86832
- 2026-10-03 Alias added: GHSA-5m3g-q793-wg8x
- 2026-10-03 CVSS score added · CISA ADP
- 2026-10-03 Weakness changed · CISA ADP
- 2026-10-03 CISA SSVC decision points changed
References
Sources
- CVE-2026-86832 · CVE Program
- CVE-2026-86832 · NVD
- FIRST EPSS
- GHSA-5m3g-q793-wg8x · GitHub Advisory Database · CC BY 4.0
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