High severity7.2NVD Advisory· Published Jul 12, 2023· Updated Jun 17, 2026

CVE-2023-3093

Description

The YaySMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via email contents in versions up to, and including, 2.4.5 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

Yaycommerce/Yaysmtp
cpe:2.3:a:yaycommerce:yaysmtp:*:*:*:*:*:wordpress:*:*
Range: <2.4.6
WordPress/Yaysmtpllm-fuzzy
Range: <=2.4.5
Package: https://wordpress.org/plugins/yaysmtp

Patches

Vulnerability mechanics

References

plugins.trac.wordpress.org/changeset/2922163/nvdPatch
www.wordfence.com/threat-intel/vulnerabilities/id/68e6ec3a-c5fd-4f63-a9a0-2c9ddfb96e2envdThird Party Advisory

News mentions

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