PT-2025-41390 · Logseq · Logseq

Martin Kubecka · Published 2025-10-09 · Updated 2025-10-14 · CVE-2025-56683

Positive Technologies (AI Summary)

CVSS v3.1

9.6

Critical

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Logseq version 0.10.9

Description A cross-site scripting (XSS) issue exists in Logseq. The flaw is located in the /app/marketplace.html component and allows for the execution of arbitrary code. This is achieved by injecting Javascript into a specially crafted README.md file.

Recommendations Update to a newer version that contains a fix for this vulnerability.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-56683

Affected Products

Logseq

References · 8

• 🔥 https://martinkubecka.sk/security-advisories/cve-2025-56683 · Exploit
• 🔥 https://github.com/martinkubecka/Attributed-CVEs/blob/main/unresolved-vulnerabilities/logseq_xss_to_rce.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-56683 · Security Note
• https://osv.dev/vulnerability/CVE-2025-56683 · Vendor Advisory
• https://github.com/logseq/logseq/commit/4cdf49aedd8de073015b6945a529399c3bfa109a#diff-25789e3ba4c2adf4a68996260eb693a441b4a834c38b76167a120f0b51b969f7R72-R74 · Note
• https://github.com/logseq/logseq · Note
• https://t.me/cveNotify/138551 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1976312907118883278 · Twitter Post