CVE-2021-24716
Modern Events Calendar Lite < 5.22.3 - Authenticated Stored Cross Site Scripting
The Modern Events Calendar Lite WordPress plugin before 5.22.3 does not properly sanitize or escape values set by users with access to adjust settings withing wp-admin.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
The Modern Events Calendar Lite WordPress plugin before 5.22.3 does not properly sanitize or escape values set by users with access to adjust settings withing wp-admin.
- Record
CVE-2021-24716- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Modern Events Calendar Lite < 5.22.3 - Authenticated Stored Cross Site Scripting
The Modern Events Calendar Lite WordPress plugin before 5.22.3 does not properly sanitize or escape values set by users with access to adjust settings withing wp-admin.
- Record
CVE-2021-24716- Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2021-11628 No score
The Modern Events Calendar Lite WordPress plugin before 5.22.3 does not properly sanitize or escape values set by users with access to adjust settings withing wp-admin.
- Record
EUVD-2021-11628- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7vhw-7w73-hwxm No score
The Modern Events Calendar Lite WordPress plugin before 5.22.3 does not properly sanitize or...
The Modern Events Calendar Lite WordPress plugin before 5.22.3 does not properly sanitize or escape values set by users with access to adjust settings withing wp-admin.
- Record
GHSA-7vhw-7w73-hwxm- Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-24716 is a medium vulnerability (CVSS 5.4) in Unknown Modern Events Calendar Lite, published November 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.65%, the 51st percentile. No source names a fixed version.