SQL Injection Vulnerability in VerifyCreateLicences Function of WordPress Plugin
CVE-2026-40840

7.1HIGH

Key Information:

Vendor: Mb Connect Line
Status: Mbconnect24; Mymbconnect24; Myrex24v2; Myrex24v2.virtual
Vendor: CVE Published:; 27 May 2026

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What is CVE-2026-40840?

A vulnerability exists in the VerifyCreateLicences function that allows remote attackers with low privileges to exploit an unauthenticated SQL Injection flaw. This weakness stems from the insufficient neutralization of special elements in an SQL SELECT command. When successfully exploited, it can lead to a significant loss of confidentiality, allowing attackers to manipulate database queries and potentially access sensitive information.

Affected Version(s)

mbCONNECT24 0.0.0 <= 2.20.0

mbCONNECT24 2.20.0

mymbCONNECT24 0.0.0 <= 2.20.0

References

https://www.certvde.com/en/advisories/VDE-2026-044/

CVSS V4

Score:

7.1

Severity:

HIGH

Confidentiality:

High

Integrity:

None

Availability:

None

Attack Vector:

Network

Attack Complexity:

Low

Attack Required:

None

Privileges Required:

Undefined

User Interaction:

None

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Timeline

Vulnerability published
May 27, 2026
Vulnerability Reserved
Apr 15, 2026

CVE-2026-40840 Data

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