Description
Rendertron versions prior to 3.0.0 are are susceptible to a Server-Side Request Forgery (SSRF) attack. An attacker can use a specially crafted webpage to force a rendertron headless chrome process to render internal sites it has access to, and display it as a screenshot. Suggested mitigations are to upgrade your rendertron to version 3.0.
Recommendation
Update the rendertron package to the latest compatible version. Followings are version details:
- Affected version(s): < 3.0.0
- Patched version(s): 3.0.0
References
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Start a free scanRelated Issues
- Clerk: SSRF in the opt-in clerkFrontendApiProxy feature may leak secret keys to unintended host - CVE-2026-34076
- Sensitive data exposure in NATS - CVE-2020-26149
- Nu Html Checker (vnu) contains a Server-Side Request Forgery (SSRF) vulnerability - CVE-2025-15104
- Server-Side Template Injection in formio - CVE-2020-28246
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See something that needs correcting? Let us knowUpdated February 01, 2023