Cyber Resilience

CVE-2020-23647

MediumPublic PoC

Published: 28 April 2023

Published
28 April 2023
Modified
31 January 2025
KEV Added
Patch
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 0.0019 40.1th percentile
Risk Priority 12 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-23647 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Boxbilling Boxbilling. Its CVSS base score is 6.1 (Medium).

Operationally, ranked at the 40.1th 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) vulnerability in BoxBilling 4.19, 4.19.1, 4.20, and 4.21 allows remote attackers to run arbitrary code via the message field on the submit new ticket form.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

boxbilling
boxbilling
4.19, 4.19.1, 4.20, 4.21

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