CVE-2025-56683

CRITICALNVD 9.69.6—Elevated

9.6

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.

CVSS v3: 9.6
EG Score: 9.6(medium)
EPSS: 33.6%
KEV: Not listed

Published

October 9, 2025

Last Modified

April 15, 2026

Advisory Details (3)

Auto-updated May 21, 2026

🔬 Proof of concept available. No patch confirmed yet.

generic🟡 PoC Available

CVE-2025-56683: DOM-based Cross-Site Scripting Leading to Remote Code Execution in Logseq Application | Martin Kubečka

https://martinkubecka.sk/security-advisories/cve-2025-56683/

generic

fix(plugins): avoid xss for the injected readme html content · logseq/logseq@4cdf49a · GitHub

https://github.com/logseq/logseq/commit/4cdf49aedd8de073015b6945a529399c3bfa109a#diff-25789e3ba4c2adf4a68996260eb693a441b4a834c38b76167a120f0b51b969f7R72-R74

generic

GitHub - logseq/logseq: A privacy-first, open-source platform for knowledge management and collaboration. Download link: http://github.com/logseq/logseq/releases. roadmap: https://logseq.io/p/NX4mc_ggEV · GitHub

https://github.com/logseq/logseq

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-79Cross-site Scripting (XSS)

Data Freshness Timeline

(refreshed 12× in last 7d / 65× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

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2026-06-02 20:12 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2025-56683?

CVE-2025-56683 is a critical vulnerability published on October 9, 2025. 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.

When was CVE-2025-56683 disclosed?

CVE-2025-56683 was first published in the National Vulnerability Database on October 9, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-56683 actively exploited?

CVE-2025-56683 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 33.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-56683?

CVE-2025-56683 has a CVSS v3 base score of 9.6 (NVD).

How do I remediate CVE-2025-56683?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-56683, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2025-56683

📅 Published

🔄 Last Modified

📋 Advisory Details (3)