CVE-2023-5958

PoC —

CVSS 3.1

6.1 medium

EPSS

<1%p42

Published

Nov 27, 2023 (Nov 27, 2023)

Modified

Jun 17, 2026

Description

The POST SMTP Mailer WordPress plugin before 2.7.1 does not escape email message content before displaying it in the backend, allowing an unauthenticated attacker to perform XSS attacks against highly privileged users.

Vendors: wpexperts
Products: post smtp
Ecosystems: WordPress
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.5%)

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