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.

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Fixes

Solution

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Workaround

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History

Sun, 11 Oct 2026 12:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Sun, 11 Oct 2026 08:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79

Sun, 11 Oct 2026 06:30:00 +0000

Type Values Removed Values Added
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.
Title click5 CRM add-on to Ninja Forms <= 1.0.1 - Unauthenticated Stored XSS via post_notifications
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-10-11T11:32:45.194Z

Reserved: 2026-09-01T13:44:41.941Z

Link: CVE-2026-84258

cve-icon Vulnrichment

Updated: 2026-10-11T11:24:56.580Z

cve-icon NVD

Status : Received

Published: 2026-10-11T07:17:25.287

Modified: 2026-10-11T12:17:23.197

Link: CVE-2026-84258

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-11T08:00:13Z

Weaknesses