What’s Vulnerable › Vulnerabilities
CVE-2026-84258: click5 CRM add-on to Ninja Forms <= 1.0.1 - Unauthenticated Stored XSS via post_notifications
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-11 · updated 2026-10-13
- Weakness: CWE-79
Description
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.
Affected products
- click5 CRM add-on to Ninja Forms: through 1.0.1
References
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