Medium severity · published Sep 6, 2026
CVE-2026-80437
Ninja Forms 3.14.10 - 3.15.1 - Unauthenticated Arbitrary Shortcode Execution via IP and Referer Merge Tags
4.8
CVSS
0.2%
EPSS
No
On KEV
Description
The 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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NF
Ninja Forms ·
3.14.10 before 3.15.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-80437
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-80437
wpscan.com
https://wpscan.com/vulnerability/473a3321-7dc6-454a-82f4-89b6a393d09a/
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