What is CVE-2026-1661?

CVE-2026-1661 is a medium-severity vulnerability in Wp Mail Logging, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-10-02.

How severe is CVE-2026-1661?

Medium severity. CVSS v3 base score is 4.3 out of 10.

XSS in Wp Mail Logging

CVE-2026-1661

The WP Mail Logging WordPress plugin before 1.17.0 does not properly restrict the HTML and CSS of logged emails before rendering them in its admin log screens, allowing unauthenticated users to inject styled content and links, for example through a public contact form, that can deceive an administrator viewing the log and send their browser to an attacker-controlled page.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-10-02 · last modified 2026-10-02.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Wp Mail Logging

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

wpscan.com/vulnerability/dde19119-7ea8-4d02-bf89-7a6b0ca010b5/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-1661?: CVE-2026-1661 is a medium-severity vulnerability in Wp Mail Logging, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-10-02.
How severe is CVE-2026-1661?: Medium severity. CVSS v3 base score is 4.3 out of 10.