CVE-2026-84753
Deferred Deferred - Pending Action

Unauthenticated PHP Object Injection in Mail Mint

Publication date: 2026-09-03

Last updated on: 2026-09-03

Assigner: Patchstack

Description
Unauthenticated PHP Object Injection in Mail Mint <= 1.31.0 versions.

CVSS Scores

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Meta Information

Published
2026-09-03
Last Modified
2026-09-03
Generated
2026-09-03
AI Q&A
2026-09-03
EPSS Evaluated
N/A
NVD
CVE-2026-84753
EUVD
EUVD-2026-70589

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
mail_mint mail_mint to 1.31.0 (inc)
patchstack mail_mint to 1.31.0 (inc)

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 in Mail Mint versions 1.31.0 and below. It allows remote attackers to inject malicious PHP objects without authentication, potentially leading to code execution or other attacks.

Detection Guidance

Detecting this vulnerability requires checking if the Mail Mint plugin version 1.31.0 or below is installed on your WordPress site. You can use commands like 'wp plugin list' in the WordPress directory or check the plugin version via the WordPress admin dashboard under Plugins. If the version is 1.31.0 or lower, the system is vulnerable.

Impact Analysis

An attacker could exploit this to execute arbitrary code on your server, take control of your Mail Mint installation, steal sensitive data, or disrupt services. The high CVSS score (9.8) indicates severe impact.

Compliance Impact

This vulnerability could lead to unauthorized access to personal data, violating GDPR and HIPAA requirements for data protection and confidentiality. Organizations may face fines or legal consequences if exploited.

Mitigation Strategies

Immediately update Mail Mint to the latest version beyond 1.31.0 to patch the unauthenticated PHP Object Injection vulnerability. If updating is not possible, consider disabling the application or restricting network access to it until a patch is applied.

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