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Vulnerability record · CVE-2022-2351 · published 16 September 2022

CVE-2022-2351: Wpexperts post smtp cross-site scripting vulnerability

Wpexperts · Post Smtp

The Post SMTP Mailer/Email Log WordPress plugin before 2.1.4 does not escape some of its settings before outputting them in the admins dashboard, allowing high privilege users to perform Cross-Site Scripting attacks against other users even when the unfiltered_html capability is disallowed.

4.8 CVSS 3.1 Medium EPSS 0.68% · top 49.1% CWE-79 · Cross-site scripting
4.8CVSS 3.1 base score
0.68%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

The Post SMTP Mailer/Email Log WordPress plugin before 2.1.4 does not escape some of its settings before outputting them in the admins dashboard, allowing high privilege users to perform Cross-Site Scripting attacks against other users even when the unfiltered_html capability is disallowed.

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://wpscan.com/vulnerability/f3fda033-58f5-446d-ade4-2336a39bfb87 ExploitThird Party Advisory
https://wpscan.com/vulnerability/f3fda033-58f5-446d-ade4-2336a39bfb87 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-52233Wpexperts post smtp missing authorization vulnerabilityMissing Authorization vulnerability in Post SMTP Post SMTP Mailer/Email Log.This issue affects Post SMTP Mailer/Email Log: from n/a through 2.8.6.EPSS 0.37%9.8CVE-2023-6875WordPress POST SMTP Mailer plugin type juggling allows unauthenticated API key reset and log accessThe POST SMTP Mailer WordPress plugin (all versions up to and including 2.8.7) has a type juggling flaw on the connect-app REST endpoint that bypasse…EPSS 90%analysed8.8CVE-2025-22800Wpexperts post smtp missing authorization vulnerabilityMissing Authorization vulnerability in Saad Iqbal Post SMTP post-smtp allows Exploiting Incorrectly Configured Access Control Security Levels.This is…EPSS 0.39%8.8CVE-2023-3179Wpexperts post smtp cross-site request forgery vulnerabilityThe POST SMTP Mailer WordPress plugin before 2.5.7 does not have proper CSRF checks in some AJAX actions, which could allow attackers to make logged …EPSS 0.39%7.2CVE-2024-52436Wpexperts post smtp sql injection vulnerabilityImproper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Saad Iqbal Post SMTP post-smtp allows Blind SQL…EPSS 0.46%7.2CVE-2024-5207Wpexperts post smtp sql injection vulnerabilityThe POST SMTP – The #1 WordPress SMTP Plugin with Advanced Email Logging and Delivery Failure Notifications plugin for WordPress is vulnerable to tim…EPSS 0.50%7.2CVE-2023-6620Wpexperts post smtp sql injection vulnerabilityThe POST SMTP Mailer WordPress plugin before 2.8.7 does not properly sanitise and escape several parameters before using them in SQL statements, lead…EPSS 14%7.2CVE-2022-2352Wpexperts post smtp server-side request forgery (ssrf) vulnerabilityThe Post SMTP Mailer/Email Log WordPress plugin before 2.1.7 does not have proper authorisation in some AJAX actions, which could allow high privileg…EPSS 1.3%

Source: NIST National Vulnerability Database (record CVE-2022-2351), CISA KEV, FIRST EPSS (scores of 2026-10-11). This page is refreshed as NVD updates the record.