Description
GetSimple CMS My SMTP Contact Plugin 1.1.2 suffers from a Stored Cross-Site Scripting (XSS) vulnerability. The plugin attempts to sanitize user input using htmlspecialchars(), but this can be bypassed by passing dangerous characters as escaped hex bytes. This allows attackers to inject arbitrary client-side code that executes in the administrator's browser when visiting a malicious page.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GetSimple CMS | My SMTP Contact Plugin | 1.1.2 | — |
References
- Full Disclosure Repository technical-description exploit
- Vendor Homepage product
- GetSimple CMS GitHub Repository product
- ExploitDB-49798 exploit
- VulnCheck Advisory: GetSimple CMS My SMTP Contact Plugin 1.1.2 - Stored XSS third-party-advisory