Ninja Forms 3.14.10 - 3.15.1 - Unauthenticated Arbitrary Shortcode Execution via IP and Referer Merge Tags

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-80437
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-06 10:17:14 UTC
Updated2026-09-08 19:09:21 UTC
DescriptionThe Ninja Forms WordPress plugin from 3.14.10 before 3.15.2 does not prevent shortcodes in request-derived values from being executed when it substitutes them into content it later processes for shortcodes, allowing unauthenticated users to run any shortcode registered on the site.

Risk And Classification

Primary CVSS: v3.1 4.8 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

EPSS: 0.002330000 probability, percentile 0.140550000 (date 2026-09-08)

Problem Types: CWE-74 | CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') | CWE-74 CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.8MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
3.1CNADECLARED4.8MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown Ninja Forms affected 3.14.10 3.15.2 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/473a3321-7dc6-454a-82f4-89b6a393d09a [email protected] wpscan.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Jakub Herman (en)

CNA: WPScan (en)

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