XSS in Gophish
CVE-2026-107272
Gophish through 0.12.1 contains stored and reflected cross-site scripting vulnerabilities that allow attackers to inject script by returning malicious SMTP server error messages. Attackers controlling or intercepting a sending profile's SMTP server can execute script when administrators view campaign results or send test emails, stealing API keys.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- blog.ostorlab.co/gophish-0121-manual-review-agentic-deep-scan.html (technical-description, exploit)
- github.com/gophish/gophish/blob/b1648f0759c6d57ac989157c55d8b47c40254fe6/static… (technical-description)
- github.com/gophish/gophish/blob/b1648f0759c6d57ac989157c55d8b47c40254fe6/static… (technical-description)
- github.com/gophish/gophish (product)
- www.vulncheck.com/advisories/gophish-through-0.12.1-xss-via-unescaped-smtp-serv… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-107272?
- CVE-2026-107272 is a medium-severity vulnerability in Gophish, classified under Cross-site Scripting. CVSS score: 4.7/10. Published 2026-10-07.
- How severe is CVE-2026-107272?
- Medium severity. CVSS v3 base score is 4.7 out of 10.