What is CVE-2026-75626?

CVE-2026-75626 is a critical-severity vulnerability in Smicallef Spiderfoot, classified under Cross-site Scripting. CVSS score: 9.3/10. Published 2026-08-18.

How severe is CVE-2026-75626?

Critical severity. CVSS v3 base score is 9.3 out of 10.

XSS in Smicallef Spiderfoot

CVE-2026-75626

SpiderFoot fails to HTML-escape correlation titles built from external scan data sources including server banners and metadata. Attackers can inject malicious HTML elements with event handlers into correlation results that execute scripts in the operator's browser when the correlations view is opened, potentially stealing API keys.

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N.

Affected products

Smicallef Spiderfoot

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

disclosure@vulncheck.com (issue-tracking)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (technical-description)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-75626?: CVE-2026-75626 is a critical-severity vulnerability in Smicallef Spiderfoot, classified under Cross-site Scripting. CVSS score: 9.3/10. Published 2026-08-18.
How severe is CVE-2026-75626?: Critical severity. CVSS v3 base score is 9.3 out of 10.