CVE-2026-49108
Deferred Deferred - Pending Action
Unauthenticated PHP Object Injection in Moderno

Publication date: 2026-06-17

Last updated on: 2026-06-17

Assigner: Patchstack

Description
Unauthenticated PHP Object Injection in Moderno < 1.43 versions.
CVSS Scores
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Probability:
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Meta Information
Published
2026-06-17
Last Modified
2026-06-17
Generated
2026-06-17
AI Q&A
2026-06-17
EPSS Evaluated
N/A
NVD
CVE-2026-49108
EUVD
EUVD-2026-37698
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
moderno moderno to 1.43 (exc)
patchstack moderno to 1.43 (exc)
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 vulnerability is an unauthenticated PHP Object Injection affecting Moderno versions earlier than 1.43.

Impact Analysis

The vulnerability has a very high severity with a CVSS base score of 9.8, indicating it can be exploited remotely without authentication and can lead to complete compromise of confidentiality, integrity, and availability.

Mitigation Strategies

To mitigate the CVE-2026-49108 vulnerability in the WordPress Moderno Theme, users should immediately update the theme to version 1.43 or later.

If updating immediately is not possible, applying Patchstack's mitigation rule to block attacks is recommended until the update can be completed.

Compliance Impact

The vulnerability allows unauthenticated attackers to perform code injection, SQL injection, path traversal, denial of service, and other attacks, which can lead to unauthorized access, data breaches, and system compromise.

Such security breaches can result in non-compliance with common standards and regulations like GDPR and HIPAA, which require protection of sensitive data and maintaining system integrity.

Failure to address this vulnerability could lead to exposure of personal or protected health information, thereby violating these regulations and potentially resulting in legal and financial penalties.

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