CVE-2026-66567Suited to automated attack · CISA

WordPress Anesta theme <= 1.5.3 - PHP Object Injection vulnerability

CVSS score

9.8

EPSS probability

%0.3

Risk score

0.0

Published

3 d ago

Overview Public Exploits (0)Newsroom Vulnerability 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

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DayBreach AI Explanation

Verified against sources

PHP Object Injection Vulnerability in CVE-2026-66567

Sources read

Source agreement

Tam uyum

Evidence confidence

%63

Short explanation

WordPress Anesta theme versions 1.5.3 and prior contain an unauthenticated PHP Object Injection vulnerability (S0). The vulnerability is rated as CRITICAL with a CVSS base score of 9.8 (S0).

Why does it matter?

This unauthenticated vulnerability allows remote attackers to cause severe impacts regarding confidentiality, integrity, and availability on affected components (S0).

What should be done?

Monitor official advisories and vendor notices (S0)

Chain of evidence and sources2 verified claims

Anesta teması sürüm 1.5.3 ve öncesi, kimlik doğrulaması gerektirmeyen PHP Object Injection zafiyetinden etkilenmektedir.

S0 · daybreach-canonical S1 · cvelist S2 · nvd

Zafiyetin CVSS taban puanı 9.8 olup kritik seviyededir.

S0 · daybreach-canonical

Show the technical text from the sources

Unauthenticated PHP Object Injection in Anesta <= 1.5.3 versions.

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

CWE: CWE-502

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-2026-66567 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

ID	VENDOR	PRODUCT	ACTION
1	AncoraThemes	Anesta	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.

SCORE	VERSION	SEVERITY	VECTOR	SOURCE
9.8	CVSS V31	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	NVD
9.8	CVSS V3_1	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CVE CNA

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-2026-66567 is associated with the following CWEs:

CWE-502: Deserialization of Untrusted Data

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-2026-66567 weaknesses.

CAPEC-66: SQL Injection CAPEC-126: Path Traversal CAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden

PermissionsGerekmiyor

UserGerekmiyor

Official Sources and Advisories

https://patchstack.com/database/wordpress/theme/anesta/vulnerability/wordpress-anesta-theme-1-5-3-php-object-injection-vulnerability?_s_id=cvevendor-advisory

CVSS Vector Radar Chart

9.8 / 10

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

AncoraThemes

Weakness Type (CWE & CAPEC)

CWE-502

Similar Vulnerabilities

9.8

CVE-2026-65578

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