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CVE-2026-84258

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

CVSS score

8.8

EPSS probability

%0.2

Risk score

0.0

Published

22 h ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

Impact on My Inventory

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Vulnerability description

CVE AI research

The stored explanation is shown at once; refreshing evaluates the sources again.

DayBreach AI Explanation

Verified against sources

CVE-2026-84258: click5 CRM add-on to Ninja Forms Unauthenticated Stored XSS Vulnerability

Sources read

2

Source agreement

Tam uyum

Evidence confidence

%63

Short explanation

The click5 CRM add-on to Ninja Forms WordPress plugin through version 1.0.1 fails to sanitize content submitted via an unauthenticated endpoint before rendering it on an admin page, creating a Stored XSS vulnerability targeting high privilege users.

Why does it matter?

This vulnerability allows attackers to submit content without authentication and target high privilege administrators. Successful exploitation can lead to security compromises within the admin interface.

What should be done?

  • Follow vendor advisories and check for updates
  • Implement additional controls to sanitize input
  • Protect high privilege user sessions
Chain of evidence and sources2 verified claims

click5 CRM add-on to Ninja Forms 1.0.1 ve önceki sürümleri, kimlik doğrulamasız uç nokta üzerinden gönderilen içeriği temizlemeden yansıtmaktadır.

S0 · daybreach-canonicalS1 · cvelistS2 · nvd

Bu zafiyet yüksek ayrıcalıklı kullanıcılara karşı Saklı XSS ile sonuçlanabilir.

S0 · daybreach-canonicalS1 · cvelistS2 · nvd
Show the technical text from the sources

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.

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE: CWE-79

Explanation produced with the local gemini-flash-lite-latest model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-84258 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1Unknownclick5 CRM add-on to Ninja Forms View
Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
8.8CVSS V3_1HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HCVE ADP
8.8CVSS V31HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HNVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-84258 is associated with the following CWEs:

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-84258 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsGerekmiyor
UserGerekiyor

Official Sources and Advisories

https://wpscan.com/vulnerability/3eae023f-a0fe-4313-9aee-18a8933eedb3/vendor-advisory

CVSS Vector Radar Chart

8.8 / 10
Attack VectorNetworkComplexityLowPrivilegesNoneUser Interact.RequiredConfidentialityLowIntegrityHighAvailabilityHigh

Vulnerability Scoring Details

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone required
User Interaction—
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)High
Availability (Erişilebilirlik)High

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

U
Unknown logo
Unknown

Weakness Type (CWE & CAPEC)

CWE-79

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