CVE-2025-12898 MEDIUM

CVE-2025-12898: Pretty Google Calendar <= 2.0.0 - Missing Authorization to Unauthenticated Google API Key Exposure

Vendor Lbell
Product Pretty Google Calendar
Weakness CWE-862 · Missing authorization
Published December 20, 2025
Last update April 8, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

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

What the vulnerability does

01Description

The Pretty Google Calendar plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the pgcal_ajax_handler() function in all versions up to, and including, 2.0.0. This makes it possible for unauthenticated attackers to retrieve the Google API key set in the plugin's settings.

Explanation of Vulnerability in Simple Terms

02Summary

Pretty Google Calendar versions 2.0.0 and earlier lack proper access controls, allowing unauthenticated attackers to read sensitive calendar data over the network. No user interaction is required. The vulnerability exposes calendar information but does not allow modification or service disruption.

What an attacker can do

03Attacker Capabilities

Read calendar data without authentication.

Potential impact on your site

04Site Impact

Calendar information may be exposed to unauthorized viewers if Pretty Google Calendar is installed and enabled.

Conditions required to exploit

05Prerequisites

Network access to the site; no authentication or user interaction required.

Key dates

06Disclosure timeline

December 20, 2025 CVE published
April 8, 2026 Record updated