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CVE-2026-42157

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:341a5e58fe9f9d44d27c6222d35a2f35fa710f255a076e4a1acb4d1595252ba6
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"flowsint","vendor":"reconurge","versions":[{"status":"affected","version":"< 1.2.3"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:63cadc905c0fbe33893bc95ba944692c4ae6f64e97b9f72cd73ab69219bfb937 · sha256:cf9b450963b0cea5… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.1,"baseSeverity":"MEDIUM","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:63cadc905c0fbe33893bc95ba944692c4ae6f64e97b9f72cd73ab69219bfb937 · sha256:cf9b450963b0cea5… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:63cadc905c0fbe33893bc95ba944692c4ae6f64e97b9f72cd73ab69219bfb937 · sha256:cf9b450963b0cea5… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/reconurge/flowsint/security/advisories/GHSA-gj93-2vcq-729w","tags":["x_refsource_CONFIRM"],"url":"https://github.com/reconurge/flowsint/security/advisories/GHSA-gj93-2vcq-729w"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:63cadc905c0fbe33893bc95ba944692c4ae6f64e97b9f72cd73ab69219bfb937 · sha256:cf9b450963b0cea5… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/reconurge/flowsint/security/advisories/GHSA-gj93-2vcq-729w"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:63cadc905c0fbe33893bc95ba944692c4ae6f64e97b9f72cd73ab69219bfb937 · sha256:cf9b450963b0cea5… · /containers/adp/0/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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