CVE-2026-84258
Last modified
CVE-2026-84258 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.30% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Unknown | click5 CRM add-on to Ninja Forms | <= 1.0.1 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-84258?
How severe is CVE-2026-84258?
How do I fix CVE-2026-84258?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-84250IBM Guardium Data Protection 12.2 is vulnerable due to weak …7.8
- CVE-2026-84251The click5 CRM add-on to Ninja Forms WordPress plugin throug…9.8
- CVE-2026-84252The click5 CRM add-on to WPForms WordPress plugin through 1.…9.8
- CVE-2026-84253The click5 CRM add-on to Gravity Forms WordPress plugin thro…9.8
- CVE-2026-84254The click5 CRM add-on to Contact Form 7 WordPress plugin thr…9.8
- CVE-2026-84256An argument parsing issue in OpenVPN 2.1_rc10 through 2.6.22…7.7
- CVE-2026-84259The click5 CRM add-on to WPForms WordPress plugin through 1.…8.8
- CVE-2026-8426Concrete CMS 9.5.0 and below does not validate a CSRF token …8.8
- CVE-2026-84260The click5 CRM add-on to Gravity Forms WordPress plugin thro…8.8
- CVE-2026-84261The click5 CRM add-on to Contact Form 7 WordPress plugin thr…8.8
- CVE-2026-84267A flaw was found in the SFTP backend in gvfs. When mounting …4.3
- CVE-2026-84268A flaw was found in the SFTP backend in gvfs. When mounting …8.8
Are you affected by CVE-2026-84258?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
