WordPress Termin-Kalender plugin <= 0.99.47 - Broken Access Control vulnerability

6.5 CVSS

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

SOPROBRO | Patchstack Bug Bounty Program

References

https://patchstack.com/database/Wordpress/Plugin/termin-kalender/vulnerability/wordpress-termin-kalender-plugin-0-99-47-broken-access-control-vulnerability?_s_id=cve

Affected Vendor

beat.k

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Affected Software

Termin-Kalender

Vulnerable Versions:

Timeline

Official Publish: December 16th, 2024

Last Modified: April 28th, 2026

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Weaknesses (CWE)

CWE-862

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

Initial Access

T1068 Exploitation for Privilege Escalation

Privilege Escalation

T1078 Valid Accounts

Persistence

T1531 Account Access Removal

Impact