CVE-2025-3434
HIGHSMTP for Amazon SES - YaySMTP <= 1.8 - Unauthenticated Stored Cross-Site Scripting via Email Logs
Title source: llmDescription
The SMTP for Amazon SES – YaySMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Email Logs in all versions up to, and including, 1.8 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.
References (5)
Core 5
Core References
Scores
CVSS v3
7.2
EPSS
0.0043
EPSS Percentile
34.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-79
Status
published
Products (1)
yaycommerce/SMTP for Amazon SES – YaySMTP
< 1.8
Published
Apr 11, 2025
Tracked Since
Feb 18, 2026