CVE-2026-66567
Received Received - Intake

Unauthenticated PHP Object Injection in Anesta <= 1.5.3

Publication date: 2026-10-10

Last updated on: 2026-10-10

Assigner: Patchstack

Description
Unauthenticated PHP Object Injection in Anesta <= 1.5.3 versions.

CVSS Scores

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Meta Information

Published
2026-10-10
Last Modified
2026-10-10
Generated
2026-10-11
AI Q&A
2026-10-10
EPSS Evaluated
N/A
NVD
CVE-2026-66567
EUVD
EUVD-2026-96521

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
AncoraThemes Anesta n/a

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-502 The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

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Executive Summary

This is an unauthenticated PHP Object Injection vulnerability affecting Anesta versions 1.5.3 and below. It allows remote attackers to inject malicious PHP objects without authentication, potentially leading to code execution or other attacks.

Impact Analysis

An attacker could exploit this to execute arbitrary code on your server, gain unauthorized access, steal sensitive data, or disrupt services. The high CVSS score (9.8) indicates severe impact.

Compliance Impact

This vulnerability could lead to data breaches, violating GDPR (data protection) and HIPAA (health data privacy). Non-compliance may result in legal penalties, fines, or reputational damage.

Mitigation Strategies

Immediately update Anesta to the latest version beyond 1.5.3 to patch the unauthenticated PHP Object Injection vulnerability. If an update is unavailable, consider disabling the plugin or restricting access to trusted users only.

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