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CVE-2023-0816

Formidable Forms < 6.1 - IP Spoofing

MEDIUM
6.5
CVSS Score
Published: March 27, 2023 at 03:37 PM UTC
Updated: June 17, 2026 at 05:26 AM UTC
2 products affected across 1 vendorFormidable Form BuilderFormidable Forms

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.5%
SSVC
PoC

Description

The Formidable Forms WordPress plugin before 6.1 uses several potentially untrusted headers to determine the IP address of the client, leading to IP Address spoofing and bypass of anti-spam protections.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Formidable Form Builder· STRATEGY11wordpress-plugin
95%
v < 6.1
Affected range stops below 6.1, so it looks safe — our inference, not a vendor statement
Formidable Forms· STRATEGY11wordpress-plugin
60%
v < 6.1
Affected range stops below 6.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitVDB EntryTechnical DescriptionThird Party Advisory
Source: [email protected]
https://wpscan.com/vulnerability/a281f63f-e295-4666-8a08-01b23cd5a744

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-290

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