CVE-2022-2372 YaySMTP < 2.2.2 - Admin+ Stored Cross-Site Scripting

What is CVE-2022-2372?

CVE-2022-2372 is a medium-severity cross-site scripting vulnerability in Unknown YaySMTP – Simple WP SMTP Mail, published on 8 Aug 2022. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

The YaySMTP WordPress plugin before 2.2.2 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks when the unfiltered_html capability is disallowed (for example in multisite setup)

Weakness: CWE-79

Which versions are affected by CVE-2022-2372?

It affects 1 product.

Products include Yaycommerce Yaysmtp.

How do I fix CVE-2022-2372?

No fix has been published for CVE-2022-2372 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2022-2372 being exploited?

There is no known exploitation of CVE-2022-2372 in the wild and no public exploit code.

Other vulnerabilities in Unknown YaySMTP – Simple WP SMTP Mail

• CVE-2025-0918 SMTP for SendGrid – YaySMTP <= 1.4 - Unauthenticated Stored Cross-Site Scripting via Email Logs High 7.2
• CVE-2025-0953 SMTP for Sendinblue – YaySMTP <= 1.2 - Unauthenticated Stored Cross-Site Scripting via Email Logs High 7.2
• CVE-2025-0916 YaySMTP 2.4.9 - 2.6.2 - Unauthenticated Stored Cross-Site Scripting High 7.2
• CVE-2023-3093 YaySMTP <= 2.4.5 - Unauthenticated Stored Cross-Site Scripting via Email High 7.2
• CVE-2022-2370 YaySMTP < 2.2.1 - Subscriber+ SMTP Credentials Leak Medium 6.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-97cj-7h5h-q2gx.