CVE-2021-24146
Modern Events Calendar Lite < 5.16.5 - Unauthenticated Events Export
Lack of authorisation checks in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.5, did not properly restrict access to the export files, allowing unauthenticated users to exports all events data in CSV or XML format for example.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Lack of authorisation checks in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.5, did not properly restrict access to the export files, allowing unauthenticated users to exports all events data in CSV or XML format for example.
- Record
CVE-2021-24146- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-284, CWE-862
- Updated
- 2026-11-02
CVE List No score
Modern Events Calendar Lite < 5.16.5 - Unauthenticated Events Export
Lack of authorisation checks in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.5, did not properly restrict access to the export files, allowing unauthenticated users to exports all events data in CSV or XML format for example.
- Record
CVE-2021-24146- Weakness
- CWE-284
- Updated
- 2026-11-02
EUVDEUVD-2021-11060 No score
Lack of authorisation checks in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.5, did not properly restrict access to the export files, allowing unauthenticated users to exports all events data in CSV or XML format for example.
- Record
EUVD-2021-11060- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2qh8-fp5p-2xx2
Lack of authorisation checks in the Modern Events Calendar Lite WordPress plugin, versions before...
Lack of authorisation checks in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.5, did not properly restrict access to the export files, allowing unauthenticated users to exports all events data in CSV or XML format for example.
- Record
GHSA-2qh8-fp5p-2xx2- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-284, CWE-862, CWE-863
- Updated
- 2026-11-02
OSV
Lack of authorisation checks in the Modern Events Calendar Lite WordPress plugin, versions before 5.16.5, did not properly restrict access to the export files, allowing unauthenticated users to exports all events data in CSV or XML format for example.
- Record
CVE-2021-24146- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Wordpress Plugin Modern Events Calendar 5.16.2 - Event export (Unauthenticated) | 2021-07-02 |
| Nuclei | WordPress Modern Events Calendar Lite <5.16.5 - Sensitive Information Disclosure |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Nuclei, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-24146 is a high vulnerability (CVSS 7.5) in Unknown Modern Events Calendar Lite, published March 18, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 31.0%, the 98th percentile. No source names a fixed version.