Vulnerability · Published Aug 18, 2026 · Assigned by VulnCheck
CVE-2026-75626SpiderFoot Stored Cross-Site Scripting via Correlation Titles
Critical 9.3
In plain English
A critical-severity cross-site scripting in spiderfoot from smicallef. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).
Severity (CVSS 3.1)9.3Critical
Exploit odds (30 days)0.3%top 73.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| smicallef | spiderfoot | 0 – through 4.0 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
References
- GitHub Issue #2012 issue-tracking
- https://github.com/smicallef/spiderfoot product
- build_correlation_title in spiderfoot/correlation.py technical-description
- VulnCheck Advisory: SpiderFoot Stored Cross-Site Scripting via Correlation Titles third-party-advisory