CVE-2025-56683

A cross-site scripting (XSS) vulnerability in the component /app/marketplace.html of Logseq v0.10...

9.6 Critical

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.46%Up 0.4 points since Oct 10, 2025

What each source reports

CVE List Score used 9.6

Record: CVE-2025-56683
CVSS 3.1: 9.6 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2025-33349 9.6

Record: EUVD-2025-33349
CVSS 3.1: 9.6 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-r59m-r63f-42wc 9.6

A cross-site scripting (XSS) vulnerability in the component /app/marketplace.html of Logseq v0.10...

Record: GHSA-r59m-r63f-42wc
CVSS 3.1: 9.6 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Weakness: CWE-79
Updated: 2026-11-02

NVD 9.6

Record: CVE-2025-56683
CVSS 3.1: 9.6 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Weakness: CWE-79
Updated: 2026-11-05

OSV 9.6

Record: CVE-2025-56683
CVSS 3.1: 9.6 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Updated: 2026-11-07

History

History
Recorded	Changed	Sources
Nov 5, 2026	facts	NVD
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-56683 is a critical vulnerability (CVSS 9.6), published October 9, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.46%, the 40th percentile. No source names a fixed version.