XSS in Useplunk Plunk
CVE-2026-32095
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (12.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 12.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.001
Affected products
- Useplunk Plunk — versions < 0.7.1
Weakness classification (CWE)
References
- github.com/useplunk/plunk/security/advisories/GHSA-69jg-7493-cx5x (Vendor Advisory)
Frequently asked questions
- What is CVE-2026-32095?
- CVE-2026-32095 is a medium-severity vulnerability in Useplunk Plunk, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-03-11.
- How severe is CVE-2026-32095?
- Medium severity. CVSS v3 base score is 5.4 out of 10.