FOSSBilling: Server-side template injection in Twig template rendering enables information disclosure and RCE
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| FOSSBilling | FOSSBilling | affected |
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No data.
No data.
| Vendor | Product | Versions | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Fossbilling | Fossbilling |
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No CVSS v3.1
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: 1.9% (1.905% probability within 30 days)
| Type | Values Removed | Values Added |
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| First Time appeared |
Fossbilling
Fossbilling fossbilling |
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| Vendors & Products |
Fossbilling
Fossbilling fossbilling |
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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| Description | FOSSBilling is a free, open-source billing and client management system. Versions prior to 0.8.0 have a Server-Side Template Injection (SSTI) vulnerability in the template rendering system. Administrators with access to features that render Twig templates (email templates, mass mail campaigns, custom payment adapters, and the `string_render` API endpoint) can inject arbitrary Twig expressions, leading to information disclosure and remote code execution. The vulnerability exists because Twig templates are rendered without a sandbox, allowing access to the full Twig environment, API context, and the application's dependency injection container. Version 0.8.0 patches the issue. Some workarounds are available. Audit existing email templates for suspicious Twig expressions, rotate all admin and client API tokens, and/or block external access to /api/system/* at reverse proxy/WAF to mitigate chaining with GHSA-78x5-c8gw-8279. | |
| Title | FOSSBilling: Server-side template injection in Twig template rendering enables information disclosure and RCE | |
| Weaknesses | CWE-1336 | |
| References |
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| Metrics |
cvssV4_0
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