Vulnerability · Published Mar 11, 2026 · Assigned by GitHub_M

CVE-2026-32095Plunk has Stored Cross-Site Scripting (XSS) via SVG File Upload

Medium 5.4

In plain English

A medium-severity cross-site scripting in plunk from useplunk. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium

Exploit odds (30 days)0.2%top 94.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
useplunk	plunk	< 0.7.1

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References

https://github.com/useplunk/plunk/security/advisories/GHSA-69jg-7493-cx5x x_refsource_CONFIRM