CVE-2026-66703

MEDIUM

WordPress MailOptin plugin <= 1.2.78.0 - Cross Site Scripting (XSS) vulnerability

Title source: cna
STIX 2.1

Description

Contributor Cross Site Scripting (XSS) in MailOptin <= 1.2.78.0 versions.

References (1)

Core 1

Scores

CVSS v3 6.5
EPSS 0.0014
EPSS Percentile 3.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
properfraction/MailOptin < 1.2.78.0
Published Aug 06, 2026
Tracked Since Aug 06, 2026