🔐 CVE Alert

CVE-2023-3082

HIGH 7.2

Post SMTP <= 2.5.7 - Unauthenticated Stored Cross-Site Scripting via Email

CVSS Score
7.2
EPSS Score
0.0%
EPSS Percentile
0th

The Post SMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via email contents in versions up to, and including, 2.5.7 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CWE CWE-79
Vendor saadiqbal
Product post smtp – complete email deliverability and smtp solution with email logs, alerts, backup smtp & mobile app
Published Jul 12, 2023
Last Updated Apr 8, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

saadiqbal / Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App
0 ≤ 2.5.7

References

NVD ↗ CVE.org ↗ EPSS Data ↗
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/6ecd0fa6-4fdb-4780-9560-0bb126800685?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/2935537/post-smtp

Credits

Alex Thomas