Medium severity · published Oct 3, 2026
CVE-2026-86832
MetForm < 4.3.1 - Unauthenticated Form Entry Data Disclosure via REST API
5.3
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 11% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ME
MetForm ·
before 4.3.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-86832
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-86832
exploit
https://wpscan.com/vulnerability/d73e4c95-471b-4f22-97a0-b6a59f187bcd/
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