CVE-2023-6629 — Cross-site Scripting in Post Smtp

CWE-79 — Cross-site Scripting4 documents4 sources
Severity
6.1MEDIUMNVD
EPSS
0.5%
top 34.04%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Wpexperts Post Smtp
Timeline
PublishedJan 3
Latest updateApr 11

Description

The POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘msg’ parameter in all versions up to, and including, 2.8.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. CVE-20…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NExploitability: 2.8 | Impact: 2.7

Affected Packages1 packages

▶NVDwpexperts/post_smtp< 2.8.7

Patches

Patch: plugins.trac.wordpress.org ↗Patch: plugins.trac.wordpress.org ↗

🔴Vulnerability Details

3
VulDB
POST SMTP Mailer Plugin up to 2.8.6 on WordPress msg cross site scripting↗2026-04-11
▶
GHSA
GHSA-9cxx-v6f7-6hpm: The POST SMTP Mailer – Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress plugin for WordPress is vulnerable to Reflected Cros↗2024-01-03
▶
CVEList
POST SMTP Mailer <= 2.8.6 - Reflected Cross-Site Scripting via msg↗2024-01-03
▶
CVE-2023-6629 — Cross-site Scripting in Post Smtp | cvebase