CVE•Published 2023-11-06•Modified 2026-04-28•1 article on news•4 live references•NVD data
CVE-2023-40609Rocklobster · Contact_form_7_custom_validation
Vulnerability data via NVD (ingested)
CVSS v3.1
8.2
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
EPSS percentile
43
Exploit Prediction Scoring System · top 57% of all CVEs
Weaknesses (CWE)
Description
A vulnerability in aiyaz Khorajia Contact form 7 Custom validation cf7-field-validation.This issue affects Contact form 7 Custom validation: from n/a through <= 1.1.3.
Timeline
Published 2023-11-06
Modified 2026-04-28
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2023-40609Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product + version
product:"Rocklobster Contact Form 7 Custom Validation" version:"1.1.3"Version-pinned fingerprint from NVD's first vulnerable CPE.
Shodan · banner/body mention
http.html:"Contact Form 7 Custom Validation"HTTP body or banner mentions "Contact Form 7 Custom Validation" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2023-40609Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2023-40609Censys host search filtered to this CVE id.
grep.app
CVE-2023-40609Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2023-40609GitHub code search for direct mentions.
Google dork
"CVE-2023-40609" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2023-40609 on GitHub.