Cyber Resilience

CVE-2023-5842

MediumPublic PoC

Published: 30 October 2023

Published
30 October 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0012 30.5th percentile
Risk Priority 10 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-5842 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Dolibarr Dolibarr Erp\/Crm. Its CVSS base score is 4.8 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Keylogging (T1056.001); ranked at the 30.5th 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) - Stored in GitHub repository dolibarr/dolibarr prior to 16.0.5.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1056.001 Keylogging Collection
Adversaries may log user keystrokes to intercept credentials as the user types them.
T1056.003 Web Portal Capture Collection
Adversaries may install code on externally facing portals, such as a VPN login page, to capture and transmit credentials of users who attempt to log into the service.
T1115 Clipboard Data Collection
Adversaries may collect data stored in the clipboard from users copying information within or between applications.
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.
Why these techniques?

Stored XSS in Dolibarr enables arbitrary JavaScript execution in users' browsers, facilitating keylogging, web portal credential capture, clipboard data collection, and web session cookie theft.

Affected Assets

dolibarr
dolibarr erp\/crm
≤ 16.0.5

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.

addresses: CWE-79

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

addresses: CWE-79

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

addresses: CWE-79

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

References