CVE-2025-56683CRITICAL 9.6EPSS p33.7%

CVE-2025-56683CVE-2025-56683

Description

A cross-site scripting (XSS) vulnerability in the component /app/marketplace.html of Logseq v0.10.9 allows attackers to execute arbitrary code via injecting arbitrary Javascript into a crafted README.md file.

Scoring

CVSS 3.19.6 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS0.42% probability of exploitation · percentile 33.7% · 2026-06-18T12:00:27Z
Published2025-10-09
Last modified2026-04-15

Underlying weaknesses· 1

CWE-79

References

  1. https://github.com/logseq/logseq
  2. https://github.com/logseq/logseq/commit/4cdf49aedd8de073015b6945a529399c3bfa109a#diff-25789e3ba4c2adf4a68996260eb693a441b4a834c38b76167a120f0b51b969f7R72-R74
  3. https://github.com/martinkubecka/Attributed-CVEs/blob/main/unresolved-vulnerabilities/logseq_xss_to_rce.md
  4. https://martinkubecka.sk/security-advisories/cve-2025-56683/
  5. https://martinkubecka.sk/security-advisories/cve-2025-56683/

1

TypeTargetConfidenceTier
WeaknessImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting')cwe-790%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.