WordPress security changelog
MEDIUM CVE-2021-24813 Modified

Events Made Easy: Cross-site scripting

Events Made Easy 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.

CVE / CNA score 4.8 CVSS · contact@wpscan.com
NVD score 4.8 CVSS 3.1 · nvd@nist.gov
Component
Events Made Easy
Plugin slug
events-made-easy
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Nov 01, 2021
Weakness
CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published Nov 01, 2021 and is one of 6 known issues for this plugin.

Update, patch or deactivate.

Update Events Made Easy 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 Events Made Easy WordPress plugin before 2.2.24 does not sanitise and escape Custom Field Names, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

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

Primary and upstream sources