WordPress security by component
Calendar
Plugin description
Calendar is a WordPress component with 5 published CVE records in this archive. The latest tracked vulnerability was published Jul 27, 2026; the highest CVE/CNA score is 8.8.
Plugin slug:
calendarLatest vulnerability
CVE-2026-14827: Calendar event fields permit contributor stored XSS
Calendar before 1.3.18 lets a Contributor place attacker-controlled markup in an event field that the plugin later renders inside an HTML attribute on a public page. The stored payload executes in the browser of a visitor who views the affected event, including a logged-in administrator. The CNA record does not identify the event field, submission action, parameter or rendering function.
| Safe version |
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|---|---|---|---|
| Jul 27, 2026 |
CVE-2026-14827
Calendar event fields permit contributor stored XSS
Calendar before 1.3.18 lets a Contributor place attacker-controlled markup in an event field that the plugin later renders inside an HTML attribute on a public page. The stored payload executes in the browser of a visitor who views the affected event, including a logged-in administrator. The CNA record does not identify the event field, submission action, parameter or rendering function.
|
1.3.18 |
CVE6.8
NVDPending
|
| Dec 23, 2025 |
CVE-2025-14548
Calendar: Cross-site scripting
Calendar is affected by cross-site scripting. Exploitation requires at least contributor-level access. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
|
See mitigation notes |
CVE6.4
NVDPending
|
| May 02, 2024 |
CVE-2024-2831
Calendar: SQL injection
Calendar is affected by SQL injection. Exploitation requires an authenticated WordPress account. A successful request can alter database queries and expose or modify WordPress data.
|
See mitigation notes |
CVE8.8
NVDPending
|
| May 13, 2019 |
CVE-2018-18872
Calendar: Cross-site scripting
Calendar is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.
|
See mitigation notes |
CVE5.4
NVD5.4
|
| May 27, 2014 |
CVE-2013-2698
Calendar: Cross-site request forgery
Calendar is affected by cross-site request forgery. Exposure depends on how the affected operation is made reachable by the site. Exploitation relies on a signed-in privileged user submitting an attacker-controlled request.
|
See mitigation notes |
CVE6.8
NVD6.8
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