CVE-2026-84258
HighCVSS 8.8Exploitation Probability (EPSS)
Low risk5th percentile - higher than 5% of all known CVEs
Summary
The click5 CRM add-on to Ninja Forms WordPress plugin through 1.0.1 does not sanitise and escape content submitted through an unauthenticated endpoint before outputting it back in an admin page, leading to Stored XSS which could be used against high privilege users such as admin.
Risk Assessment
An attacker can execute malicious script in the admin's browser, potentially leading to session hijacking, data theft, or site content modification.
Recommendation
Update the click5 CRM add-on to Ninja Forms to the latest patched version. Additionally, restrict access to the admin panel and apply the principle of least privilege.
Other vulnerabilities in click5 CRM add-on to Ninja Forms
Original NVD description (English source)
The click5 CRM add-on to Ninja Forms WordPress plugin through 1.0.1 does not sanitise and escape content submitted through an unauthenticated endpoint before outputting it back in an admin page, leading to Stored XSS which could be used against high privilege users such as admin.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

