CVE-2026-42159— Flowsint: Stored XSS in description of node
Possible ATT&CK Techniques 2AI
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I. Basic Information for CVE-2026-42159
Vulnerability Information
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Vulnerability Title
Flowsint: Stored XSS in description of node
Source: NVD (National Vulnerability Database)
Vulnerability Description
Flowsint is an open-source OSINT graph exploration tool designed for cybersecurity investigation, transparency, and verification. Prior to 1.2.3, Flowsint allows a user to create investigations, which are used to manage sketches and analyses. Sketches have controllable graphs, which are comprised of nodes and relationships. The sketches contain information on an OSINT target (usernames, websites, etc) within these nodes and relationships. A remote attacker can create a node with a malicious description that contains arbitrary HTML. When the node is selected, it will render the arbitrary HTML, potentially triggering stored XSS. This vulnerability is fixed in 1.2.3.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-42159
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IV. Related Vulnerabilities
Same product: flowsint
- CVE-2026-42158
Flowsint: Broken Access Control allows modification of inves - CVE-2026-42156
Flowsint: Cypher query injection in node type on node creati - CVE-2026-42157
Flowsint: Stored XSS on map node marker in map page - CVE-2026-44352
Flowsint: Broken Access Control allows reading of sketch log - CVE-2026-32311
Command Injection and Docker container escape allows root on
Same vendor: reconurge
- CVE-2026-42158
Flowsint: Broken Access Control allows modification of inves - CVE-2026-42156
Flowsint: Cypher query injection in node type on node creati - CVE-2026-42157
Flowsint: Stored XSS on map node marker in map page - CVE-2026-44352
Flowsint: Broken Access Control allows reading of sketch log - CVE-2026-32311
Command Injection and Docker container escape allows root on
Same weakness: CWE-79
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Quick.CMS 6.7 Cross-Site Scripting via CSRF to Sliders Form - CVE-2021-47975
WordPress Plugin WP Learn Manager 1.1.2 Stored XSS - CVE-2021-47957
WordPress Plugin Cookie Law Bar 1.2.1 Stored XSS via clb_bar - CVE-2021-47955
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V. Comments for CVE-2026-42159
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