All vulnerabilities
CVE-2026-84258

click5 CRM add-on to Ninja Forms <= 1.0.1 - Unauthenticated Stored XSS via post_notifications

Unknown click5 CRM add-on to Ninja Forms
Open in ThreatlineRecord JSON
CVSS
8.8High
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.30%Chance of exploitation activity in the next 30 days, higher than 21% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version yet
Published11 Oct 2026Updated 11 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version.

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.

Text from CVE List

Affected versions 1

  • click5 CRM add-on to Ninja Formsaffected: all versions through 1.0.1CVE List

References 1