CVE-2024-54354 MEDIUM

CVE-2024-54354: WordPress Termin-Kalender plugin <= 0.99.47 - Broken Access Control vulnerability

Vendor Beat.k

Product Termin-Kalender

Weakness CWE-862 · Missing authorization

Published December 16, 2024

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

6.5/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction Required

Confidentiality Low

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in beat.k Termin-Kalender termin-kalender allows Stored XSS.This issue affects Termin-Kalender: from n/a through <= 0.99.47.

Explanation of Vulnerability in Simple Terms

02Summary

Termin-Kalender versions up to 0.99.47 lack proper authorization checks, allowing authenticated users with low privileges to perform actions they should not be permitted to do. An attacker must be logged in and trick a victim into clicking a malicious link. The vulnerability can leak sensitive data, modify content, or disrupt service availability across the affected application.

What an attacker can do

03Attacker Capabilities

Perform unauthorized actions affecting data confidentiality, integrity, and availability after logging in.

Potential impact on your site

04Site Impact

Authenticated users can bypass access controls to view, modify, or disrupt content beyond their intended permissions.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege user account and the victim must click a malicious link.

Key dates

06Disclosure timeline

December 16, 2024 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2024-54354 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/862.html AskarLabs — CWE-862 write-up Missing Authorization

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