WordPress security changelog
MEDIUM CVE-2026-5306 Deferred

Check & Log Email: Cross-site scripting

Check & Log Email 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. The published affected range is < 2.0.13.

CVE / CNA score 5.4 CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD score Pending NVD has not published its own CVSS assessment.
Component
Check & Log Email
Plugin slug
check-log-email
Affected
< 2.0.13
Safe version
2.0.13
Published
Apr 28, 2026
Weakness
Not assigned

This CVE was published Apr 28, 2026 and is one of 5 known issues for this plugin.

Update, patch or deactivate.

Update Check & Log Email to 2.0.13 or later, or disable and remove it until a fixed version is available.

A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.

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 Check & Log Email WordPress plugin before 2.0.13 does not properly handle email replacement, which could allow unauthenticated users to perform Stored XSS attacks when the email encoder setting is enabled

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

Primary and upstream sources