---
id: CVE-2026-75626
title: >-
  SpiderFoot fails to HTML-escape correlation titles built from external scan
  data sources including server banners and metadata
summary: >-
  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 script…
severity: critical
cvss: 9.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N'
cwe:
  - CWE-79
vendor: smicallef
product: spiderfoot
affected:
  - spiderfoot <= 4.0
published: '2026-08-18'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T20:06:30.133'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-75626'
references:
  - url: 'https://github.com/smicallef/spiderfoot'
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/smicallef/spiderfoot/blob/master/spiderfoot/correlation.py
    label: disclosure@vulncheck.com
  - url: 'https://github.com/smicallef/spiderfoot/issues/2012'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/spiderfoot-stored-cross-site-scripting-via-correlation-titles
    label: disclosure@vulncheck.com
  - url: 'https://github.com/smicallef/spiderfoot/issues/2012'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - cve.org
  - exploit-available
epss: 0.00474
epssPercentile: 0.38293
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-08-19T14:07:30.195338Z'
ingestedAt: '2026-09-24T15:45:56.702Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.