CVE-2026-48838

WordPress Post SMTP plugin <= 3.6.2 - Cross Site Scripting (XSS) vulnerability

Published Jun 15, 2026 CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Description
Unauthenticated Cross Site Scripting (XSS) in Post SMTP <= 3.6.2 versions.

Remediation

Vendor Solution

Update the WordPress Post SMTP Plugin to the latest available version (at least 3.6.3).

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Wordpress
Wordpress wordpress
Wpexperts
Wpexperts post Smtp
Vendors & Products Wordpress
Wordpress wordpress
Wpexperts
Wpexperts post Smtp
Type Values Removed Values Added
Description Unauthenticated Cross Site Scripting (XSS) in Post SMTP <= 3.6.2 versions.
Title WordPress Post SMTP plugin <= 3.6.2 - Cross Site Scripting (XSS) vulnerability
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Jun 16, 2026, 12:59 PM
Reserved
May 25, 2026, 2:28 PM
Status
Deferred
Published
Jun 15, 2026, 9:17 PM
Modified
Oct 25, 2026, 11:10 PM