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GHSA-vcvr-r3jv-pc5j
nextImpact
The Node.js ImageResponse implementation from next/og is affected by an upstream vulnerability. This can lead to remote code execution.
Affected applications pass attacker-controlled values into SVG content, attributes, or styles during image generation:
import { ImageResponse } from 'next/og'
export async function GET(request: Request) {
const value = new URL(request.url).searchParams.get('value') ?? ''
return new ImageResponse(
<svg width="1200" height="630">
<title>{value}</title>
</svg>
)
}
Applications using the Edge ImageResponse implementation, or applications that do not pass attacker-controlled values into SVG content, attributes, or styles, are not affected.
Workaround
If upgrading is not immediately possible, do not pass attacker-controlled values into SVG content, attributes, or styles rendered by the Node.js ImageResponse implementation from next/og.
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The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability.
Exploitation activity has been observed. Apply available patches or mitigations urgently.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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