CVE-2023-6621: Post SMTP < 2.8.7 - Reflected Cross-Site Scripting
First published: Wed Jan 03 2024(Updated: )
The POST SMTP WordPress plugin before 2.8.7 does not sanitise and escape the msg parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin.
Credit: contact@wpscan.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Wpexperts Post SMTP | <2.8.7 |
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Frequently Asked Questions
What is the severity of CVE-2023-6621?
CVE-2023-6621 has a high severity due to the potential for reflected cross-site scripting attacks targeting high privilege users.
How do I fix CVE-2023-6621?
To fix CVE-2023-6621, update the POST SMTP WordPress plugin to version 2.8.7 or higher.
Who is affected by CVE-2023-6621?
CVE-2023-6621 specifically affects users of the POST SMTP WordPress plugin prior to version 2.8.7, especially those with high privileges like admin.
What type of vulnerability is CVE-2023-6621?
CVE-2023-6621 is a reflected cross-site scripting vulnerability.
What can attackers do with CVE-2023-6621?
Attackers can exploit CVE-2023-6621 to execute malicious scripts in the browser of high privilege users, potentially leading to unauthorized actions.
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