CVE-2026-40308

My Calendar < 3.7.7 - Unauthenticated Denial of Service

2026-04-16 00:00

minhi1

Strategic Overview

Status

Patched in 3.7.7

Affected PluginMy Calendar – Accessible Event Manager

Affected Version< 3.7.7

CVSS5.3Medium

CVECVE-2026-40308

View all My Calendar – Accessible Event Manager vulnerabilities

Vulnerability Overview

The My Calendar – Accessible Event Manager plugin for WordPress is vulnerable to Denial of Service in all versions up to 3.7.7 (exclusive). This makes it possible for unauthenticated attackers to trigger a fatal error.

Technical Analysis

REMEDIATION: Update to version 3.7.7, or a newer patched version --- IDENTIFIER: CWE-639 (Authorization Bypass Through User-Controlled Key) The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

External References

https://www.cve.org/CVERecord?id=CVE-2026-40308 https://www.wordfence.com/threat-intel/vulnerabilities/id/9082adc5-508d-47ac-a74a-868e2600e3d6

CVSS Vector

5.3

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityNone
AvailabilityLow

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