SQL Injection Vulnerability in MailArchiver for WordPress
CVE-2026-2831

4.9MEDIUM

Key Information:

Vendor

WordPress

Vendor
CVE Published:
27 February 2026

What is CVE-2026-2831?

The MailArchiver plugin for WordPress is susceptible to SQL Injection attacks through the 'logid' parameter, affecting versions up to and including 4.5.0. Due to inadequate escaping of user-supplied input and insufficient preparation in the existing SQL query, authenticated attackers with Administrator-level access can manipulate existing SQL queries, potentially allowing them to extract sensitive information stored in the database. This vulnerability underscores the importance of applying security measures and updates to protect against potential data breaches.

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Affected Version(s)

MailArchiver * <= 4.5.0

References

CVSS V3.1

Score:
4.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ronnachai Chaipha
.