CVE-2026-42157 — Flowsint: Stored XSS on map node marker in map page
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 …
Published: 2026-05-12 · CVSS: 5.1 · CVSS 4.0
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: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7