CVE-2026-42157— Flowsint: Stored XSS on map node marker in map page
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I. Basic Information for CVE-2026-42157
Vulnerability Information
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Vulnerability Title
Flowsint: Stored XSS on map node marker in map page
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, a remote attacker can create a map node with a malicious label that contains arbitrary HTML. When the map tab is selected and a map node marker 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)
Vulnerability Title
Flowsint 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Flowsint是reconurge开源的一个开源情报图形化调查工具。 Flowsint 1.2.3之前版本存在跨站脚本漏洞，该漏洞源于地图节点标签包含任意HTML，可能导致存储型跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-42157
| # | POC Description | Source Link | Shenlong Link |
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Same Patch Batch · reconurge · 2026-05-12 · 4 CVEs total
| CVE-2026-42158 | Flowsint: Broken Access Control allows modification of investigation metadata from any use | |
| CVE-2026-42156 | Flowsint: Cypher query injection in node type on node creation | |
| CVE-2026-44352 | Flowsint: Broken Access Control allows reading of sketch logs from any user |
IV. Related Vulnerabilities
Same product: flowsint
- CVE-2026-42159
Flowsint: Stored XSS in description of node - 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-2026-44352
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-2026-42159
Flowsint: Stored XSS in description of node - 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-2026-44352
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
- CVE-2026-23695
Cockpit CMS 2.14.0 Stored XSS via Set Field Display Template - CVE-2026-6415
Advanced Custom Fields: Font Awesome Field <= 5.0.2 - Authen - CVE-2026-6646
The7 <= 14.3.2 - Authenticated (Contributor+) Stored Cross-S - CVE-2026-24662
Musetheque V4/XSS漏洞 - CVE-2026-44429
MCP Registry: Stored XSS in catalogue UI via attribute-quote
V. Comments for CVE-2026-42157
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