CVE-2021-25025
Event Calendar < 1.1.51 - Subscriber+ Event Creation
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
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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
- Record
CVE-2021-25025- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:P/A:N - Weakness
- CWE-352, CWE-862
- Updated
- 2026-11-02
CVE List No score
Event Calendar < 1.1.51 - Subscriber+ Event Creation
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
- Record
CVE-2021-25025- Weakness
- CWE-352, CWE-862
- Updated
- 2026-11-02
EUVDEUVD-2021-11937 No score
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
- Record
EUVD-2021-11937- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-96vj-582q-cvqw
The EventCalendar WordPress plugin before 1.1.51 does not have proper authorisation and CSRF...
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
- Record
GHSA-96vj-582q-cvqw- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-352, CWE-862
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-25025 is a medium vulnerability (CVSS 4.3) in Theeventscalendar Eventcalendar, published January 17, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.35%, the 28th percentile. No source names a fixed version.