CVE-2026-107272
Gophish through 0.12.1 XSS via Unescaped SMTP Server Error Messages
CVSS Score
4.7
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-79 |
| Vendor | gophish |
| Product | gophish |
| Published | Oct 7, 2026 |
| Last Updated | Oct 7, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
gophish / gophish
0 ≤ 0.12.1
References
blog.ostorlab.co: https://blog.ostorlab.co/gophish-0121-manual-review-agentic-deep-scan.html github.com: https://github.com/gophish/gophish/blob/b1648f0759c6d57ac989157c55d8b47c40254fe6/static/js/src/app/campaign_results.js#L422-L427 github.com: https://github.com/gophish/gophish/blob/b1648f0759c6d57ac989157c55d8b47c40254fe6/static/js/src/app/campaigns.js#L110-L113 github.com: https://github.com/gophish/gophish vulncheck.com: https://www.vulncheck.com/advisories/gophish-through-0.12.1-xss-via-unescaped-smtp-server-error-messages
Credits
Sohaib Harraoui (Ostorlab)