CVE-2024-41662
Published: 24 July 2024
Summary
CVE-2024-41662 is a high-severity Cross-site Scripting (CWE-79) vulnerability in Vnote Project Vnote. Its CVSS base score is 8.6 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Client Execution (T1203); ranked in the top 6.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
VNote, a note-taking application, contains a cross-site scripting vulnerability in its Markdown rendering component affecting all versions through 3.18.1. The flaw, tracked as CWE-79, permits injection of arbitrary JavaScript that can escalate to remote code execution when malicious Markdown content is processed.
An attacker can supply crafted Markdown that executes within the application's rendering context. Because the CVSS vector specifies local access, no privileges, and required user interaction with changed scope, exploitation typically involves a victim opening a malicious note file or document, after which the injected script can access sensitive data or execute code on the host system.
The project has published a fix in commit f1af78573a0ef51d6ef6a0bc4080cddc8f30a545, and the accompanying GitHub Security Advisory recommends applying the patch or adopting strict input sanitization together with a secure Markdown parser that strips or escapes dangerous constructs.
EPSS remains flat at 0.1224 with no material increase after disclosure, indicating limited observed exploitation interest to date.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-39118
Vulnerability details
VNote is a note-taking platform. A Cross-Site Scripting (XSS) vulnerability has been identified in the Markdown rendering functionality of versions 3.18.1 and prior of the VNote note-taking application. This vulnerability allows the injection and execution of arbitrary JavaScript code through…
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which remote code execution can be achieved. A patch for this issue is available at commit f1af78573a0ef51d6ef6a0bc4080cddc8f30a545. Other mitigation strategies include implementing rigorous input sanitization for all Markdown content and utilizing a secure Markdown parser that appropriately escapes or strips potentially dangerous content.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
XSS vulnerability in Markdown rendering enables injection of arbitrary JavaScript, leading to RCE (e.g., via iframe loading cmd.exe), facilitating Exploitation for Client Execution (T1203).
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.