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Product · useplunk

plunk

5 known vulnerabilities.

plunk at a glance

Last 12 months
5
Critical · all time
2
Exploited · all time
0
Public exploit · all time
2
New vulnerabilities per month · last 12 months
0 1 2 December 2025: 0 vulnerabilities Dec 2025 January 2026: 0 vulnerabilities February 2026: 0 vulnerabilities March 2026: 2 vulnerabilities, 1 critical Mar April 2026: 1 vulnerability May 2026: 2 vulnerabilities, 1 critical June 2026: 0 vulnerabilities Jun July 2026: 0 vulnerabilities August 2026: 0 vulnerabilities September 2026: 0 vulnerabilities Sep October 2026: 0 vulnerabilities November 2026: 0 vulnerabilities
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5 results · Feed

  • Medium 5.4

    Plunk: Stored XSS in campaign view

    Plunk is an open-source email platform built on top of AWS SES. Prior to version 0.9.0, a stored cross-site scripting (XSS) vulnerability exists in the campaign management feature, where the email body content created by authenticated project members is store…

  • Critical 9.1

    Plunk: SNS webhook forgery

    Plunk is an open-source email platform built on top of AWS SES. Prior to version 0.9.0, the /webhooks/sns endpoint accepts Amazon SNS notification payloads from unauthenticated requests without verifying the SNS signature, certificate, or topic ARN, meaning a…

  • High 8.5
    CVE-2026-34975 Public exploit

    Plunk has a CRLF Email Header Injection in raw MIME message construction allows authenticated API user to inject arbitrary email headers

    Plunk is an open-source email platform built on top of AWS SES. Prior to 0.8.0, a CRLF header injection vulnerability was discovered in SESService.ts, where user-supplied values for from.name, subject, custom header keys/values, and attachment filenames were …

  • Critical 9.3
    CVE-2026-32096 Public exploit

    Plunk has SSRF via unvalidated AWS SNS SubscriptionConfirmation in POST /webhooks/sns

    Plunk is an open-source email platform built on top of AWS SES. Prior to 0.7.0, a Server-Side Request Forgery (SSRF) vulnerability existed in the SNS webhook handler. An unauthenticated attacker could send a crafted request that caused the server to make an a…

  • Medium 5.4

    Plunk has Stored Cross-Site Scripting (XSS) via SVG File Upload

    Plunk is an open-source email platform built on top of AWS SES. Prior to 0.7.1, Plunk's image upload endpoint accepted SVG files, which browsers treat as active documents capable of executing embedded JavaScript, creating a stored XSS vulnerability. This vuln…