Back to Database
Status published
Medium
CVE-2021-25025
Event Calendar < 1.1.51 - Subscriber+ Event Creation
Vulnerability Description
The EventCalendar WordPress plugin before 1.1.51 does not have proper authorisation and CSRF checks in the add_calendar_event AJAX actions, allowing users with a role as low as subscriber to create events
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-25025
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Krzysztof Zając
More from Unknown
View All →CVE-2025-9978
Jeg Elementor Kit < 2.7.0 - Author+ Stored XSS
Unknown
0
CVE-2025-9959
Sandbox escape in smolagents Local Python execution environment via dunder attributes
High
7.6
CVE-2025-9900
Libtiff: libtiff write-what-where
High
8.8
CVE-2025-9784
Undertow: undertow madeyoureset http/2 ddos vulnerability
High
7.5
CVE-2025-9710
Responsive Lightbox & Gallery < 2.5.3 - Unauthenticated Stored-XSS via Comments
Unknown
0
Affected Vendor
Unknown
View all reports →Affected Software
EventCalendar
Vulnerable Versions:
1.1.51
Timeline
Official Publish:
January 17th, 2022
Last Modified:
August 3rd, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
MITRE ATT&CK TTPs
T1566.002
Spearphishing Link
Initial Access
T1204.001
Malicious Link
Execution
T1098
Account Manipulation
Persistence
T1565.001
Stored Data Manipulation
Impact
T1190
Exploit Public-Facing Application
Initial Access
T1068
Exploitation for Privilege Escalation
Privilege Escalation
T1078
Valid Accounts
Persistence
T1531
Account Access Removal
Impact