CVE-2025-3434 json
SMTP for Amazon SES – YaySMTP <= 1.8 - Unauthenticated Stored Cross-Site Scripting via Email Logs
published 2025-04-11 18 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-10738
- cvss
- 7.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 43%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 18 mo ago
Exploit prediction
0.51% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N |
Affected products
- yaycommerce SMTP for Amazon SES – YaySMTP
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
- wordfence.com /threat-intel/vulnerabilities/id/78ac91af-4d71-43f4-b9fc-cf5e6874e7de?source=cve
- wordpress.org /plugins/smtp-amazon-ses/
- plugins.trac.wordpress.org /browser/smtp-amazon-ses/trunk/includes/Functions.php
- plugins.trac.wordpress.org /browser/smtp-amazon-ses/trunk/includes/Helper/Utils.php
- plugins.trac.wordpress.org /changeset/3270161/
Sources
- CVE List CVE-2025-3434
- NVD CVE-2025-3434
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