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CVE-2023-3082

MEDIUM 6.1 CVSS 3.1
Published
July 12, 2023
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Description

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.

Affected WordPress components

  • Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App Plugin · post-smtp
    Confirmed match Active
    Up to and including 2.5.7
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • saadiqbal Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App — Up to and including 2.5.7
  • wpexperts post_smtp — Before 2.5.8

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/2935537/post-smtp Patch
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/6ecd0fa6-4fdb-4780-9560-0bb126800685?source=cve Third Party Advisory
  • nvd.nist.gov Official NVD record