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TI-2026-24633 Aliases CVE-2026-32095

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

Priority LOW 24CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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 vulnerability is fixed in 0.7.1.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00162 5th percentileScored 2026-11-07
Fix Fixed plunk (useplunk): 0.7.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
useplunkplunkbefore 0.7.10.7.1Patch availableCNA
  • plunk Vendoruseplunk Affected before 0.7.1 Fixed in 0.7.1 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:useplunk:plunk:*:*:*:*:*:*:*:*before 0.7.1Vulnerableuseplunk
  • cpe:2.3:a:useplunk:plunk:*:*:*:*:*:*:*:* Versions before 0.7.1 Vulnerable ·useplunk

Remediation

  • Fix · CNA plunk (useplunk) Fixed in 0.7.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-32095

References

Advisory 1

  • TI-2026-24634 Plunk has SSRF via unvalidated AWS SNS SubscriptionConfirmation in POST /webhooks/sns CVSS 3.1CRITICAL 9.3
  • TI-2026-27197 Plunk has a CRLF Email Header Injection in raw MIME message construction allows… CVSS 3.1HIGH 8.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences