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CVE-2026-66691Suited to automated attack · CISA

WordPress Nokri theme <= 1.6.6 - Broken Access Control vulnerability

CVSS score

9.8

EPSS probability

%0.5

Risk score

0.0

Published

2 mo ago

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

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

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Vulnerability description

CVE AI research

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DayBreach AI Explanation

Verified against sources

Critical Broken Access Control in WordPress Nokri Theme <= 1.6.6

Sources read

1

Source agreement

Tam uyum

Evidence confidence

%53

Short explanation

A critical unauthenticated broken access control vulnerability exists in WordPress Nokri theme versions up to 1.6.6. Attackers can exploit this to gain unauthorized access and escalate privileges. Patch status is UNKNOWN; no official fix has been confirmed.

Why does it matter?

This vulnerability enables attackers to bypass authentication and access sensitive features, leading to potential data exposure and system compromise. Immediate remediation is required due to high severity and ease of exploitation.

What should be done?

  • Upgrade to a patched version of the Nokri theme
  • Apply vendor-specific security updates if available
  • Monitor for further exploitation indicators
Note on uncertainty

The sources give limited detail on some technical conditions. Review the chain of evidence below before deciding how to act.

Chain of evidence and sources3 verified claims

WordPress Nokri teması 1.6.6'ya kadar olan sürümler, kritik bir, kimlik doğrulama olmadan oluşan erişim bozukluğu açıklamasına sahiptir ve CVSS 3.1 puanı 9.8'dir.

S0 · daybreach-canonical

Bu açıklamaya sahip bir istismar, saldırıcılara yetkisiz erişim ve yükseltme yetkileriyle eylemler yapma imkanı sunar ve ele geçirme riskini yüksek hale getirir.

S0 · daybreach-canonical

Yama durumu bilinmiyor; resmî kaynaklardan bir düzeltme var mı ya da yayınlı mı hakkında güvenilir bilgi yoktur.

S0 · daybreach-canonical
Show the technical text from the sources

Unauthenticated Broken Access Control in Nokri <= 1.6.6 versions.

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

CWE: CWE-640

Explanation produced with the local qwen3:4b-instruct 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-2026-66691 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1scriptsbundleNokri 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
9.8CVSS V3_1CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE CNA
9.8CVSS V31CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/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-2026-66691 is associated with the following CWEs:

CWE-640: Common Weakness Enumeration Entry CWE-640

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-2026-66691 weaknesses.

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

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsGerekmiyor
UserGerekmiyor

Official Sources and Advisories

https://patchstack.com/database/wordpress/theme/nokri/vulnerability/wordpress-nokri-theme-1-6-6-broken-access-control-vulnerability?_s_id=cvevendor-advisory

CVSS Vector Radar Chart

9.8 / 10
Attack VectorNetworkComplexityLowPrivilegesNoneUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityHigh

Vulnerability Scoring Details

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone required
User InteractionNone required
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)None
Availability (Erişilebilirlik)High

Yama durumu bilinmiyor

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

Follow the vendor

S
scriptsbundle logo
scriptsbundle

Weakness Type (CWE & CAPEC)

CWE-640

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