CVE•Published 2026-09-10•Modified 2026-09-10•0 articles on news•4 live references•NVD data
CVE-2026-78374
Vulnerability data via NVD (ingested)
CVSS v3.1
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EPSS percentile
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Weaknesses (CWE)
Description
Joomla Extension - joomlart.com - Open mail relay via contact AJAX endpoint in T4 Page Builder extension < 2.3.0 - The front-end JSON editor endpoint exposes an action called contact that requires no authentication, no CSRF token, no captcha (when no captcha plugin is enabled) and has no rate limiting. The attacker fully controls the recipient, subject and HTML body, and the mail is sent from the site's configured sender identity (mailfrom/fromname).
Timeline
Published 2026-09-10
Modified 2026-09-10
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).
More intel sources (5)
Shodan report
vuln:CVE-2026-78374Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-78374Censys host search filtered to this CVE id.
grep.app
CVE-2026-78374Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-78374GitHub code search for direct mentions.
Google dork
"CVE-2026-78374" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-78374 on GitHub.
We haven't classified any articles referencing CVE-2026-78374 yet. The external references above still apply.