High severity7.2NVD Advisory· Published Jul 12, 2023· Updated Apr 8, 2026

CVE-2023-3082

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 products

Wpexperts/Post Smtp
cpe:2.3:a:wpexperts:post_smtp:*:*:*:*:*:wordpress:*:*
Range: <2.5.8

Patches

320e8a9f75a0

https://github.com/wpexpertsio/post-smtpvia osv

Vulnerability mechanics

Generated by null/stub on May 9, 2026. Inputs: CWE entries + fix-commit diffs from this CVE's patches. Citations validated against bundle.

References

plugins.trac.wordpress.org/changeset/2935537/post-smtpnvdPatch
www.wordfence.com/threat-intel/vulnerabilities/id/6ecd0fa6-4fdb-4780-9560-0bb126800685nvdThird Party Advisory

News mentions

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cvss	0.468
epss	0.001
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000