Cyber Resilience

CVE-2023-6461

MediumPublic PoC

Published: 01 December 2023

Published
01 December 2023
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0016 36.2th percentile
Risk Priority 12 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-6461 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Viliusle Minipaint. Its CVSS base score is 6.1 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Keylogging (T1056.001); ranked at the 36.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Cross-site Scripting (XSS) - Reflected in GitHub repository viliusle/minipaint prior to 4.14.0.

CWE(s)
CWE-79

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1056.001 Keylogging Collection
Adversaries may log user keystrokes to intercept credentials as the user types them.
attack.mitre.org →
T1113 Screen Capture Collection
Adversaries may attempt to take screen captures of the desktop to gather information over the course of an operation.
attack.mitre.org →
T1115 Clipboard Data Collection
Adversaries may collect data stored in the clipboard from users copying information within or between applications.
attack.mitre.org →
T1203 Exploitation for Client Execution Execution
Adversaries may exploit software vulnerabilities in client applications to execute code.
attack.mitre.org →
T1539 Steal Web Session Cookie Credential Access
An adversary may steal web application or service session cookies and use them to gain access to web applications or Internet services as an authenticated user without needing credentials.
attack.mitre.org →
T1555.003 Credentials from Web Browsers Credential Access
Adversaries may acquire credentials from web browsers by reading files specific to the target browser.
attack.mitre.org →
Why these techniques?

Reflected XSS enables arbitrary JavaScript execution in the victim's browser within the vulnerable MiniPaint web application, facilitating client-side exploitation for input capture (keylogging, screen/clipboard), credential theft from browser storage/cookies, and session cookie stealing.

Affected Assets

viliusle
minipaint
≤ 4.14.0

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.

CA-8 Penetration Testing
addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

SI-10 Information Input Validation
addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

SI-15 Information Output Filtering
addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References