CVE-2023-6621
Post SMTP < 2.8.7 - Reflected Cross-Site Scripting
- State
- Published
- Severity
- 6.1 Medium
- Published
- Jan 3, 2024
- Updated
- Jun 18, 2025
- Reserved
- Dec 8, 2023
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.1 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N | CISA-ADP |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
POST SMTPUnknown |
|
References
- https://wpscan.com/vulnerability/b49ca336-5bc2-4d72-a9a5-b8c020057928exploitvdb-entrytechnical-description
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