WordPress security changelog
MEDIUM CVE-2022-4320 Modified

WordPress Events Calendar: Cross-site scripting

WordPress Events Calendar is affected by cross-site scripting. The vulnerable path is reachable without authentication. Injected script can execute in the affected site's origin when the vulnerable output is viewed.

CVE / CNA score 6.1 CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD score 6.1 CVSS 3.1 · nvd@nist.gov
Component
WordPress Events Calendar
Plugin slug
wordpress-events-calendar-plugin
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Jan 16, 2023
Weakness
Not assigned

This CVE was published Jan 16, 2023 and is one of 1 known issue for this plugin.

Update, patch or deactivate.

Update WordPress Events Calendar to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

The WordPress Events Calendar WordPress plugin before 1.4.5 does not sanitize and escapes a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against both unauthenticated and authenticated users (such as high-privilege ones like admin).

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Primary and upstream sources