CVE-2023-3087 FluentSMTP <= 2.2.4 - Unauthenticated Stored Cross-Site Scripting via Email Subject
Unauthenticated attackers can inject arbitrary web scripts via email subjects in the FluentSMTP WordPress plugin, leading to stored XSS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-3087?
CVE-2023-3087 is a high-severity cross-site scripting vulnerability in techjewel FluentSMTP – WP SMTP Plugin with Amazon SES, SendGrid, MailGun, Postmark, Google and Any SMTP Provider, published on 12 Jul 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The FluentSMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via an email subject in versions up to, and including, 2.2.4 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.
Weakness: CWE-79
Which versions are affected by CVE-2023-3087?
It affects 1 product.
Products include Wpmanageninja Fluentsmtp.
How do I fix CVE-2023-3087?
No fix has been published for CVE-2023-3087 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-2023-3087 being exploited?
There is no known exploitation of CVE-2023-3087 in the wild and no public exploit code.
Other vulnerabilities in techjewel FluentSMTP – WP SMTP Plugin with Amazon SES, SendGrid, MailGun, Postmark, Google and Any SMTP Provider
Sources
Also known as GHSA-vp8h-vvmf-j596.