Cyber Resilience

CVE-2022-48311

CriticalPublic PoC

Published: 06 February 2023

Published
06 February 2023
Modified
26 March 2025
KEV Added
Patch
CVSS Score v3.1 9.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
EPSS Score 0.0080 74.5th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-48311 is a critical-severity Cross-site Scripting (CWE-79) vulnerability in Hp Deskjet 2540 A9U23B Firmware. Its CVSS base score is 9.0 (Critical).

Operationally, ranked in the top 25.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

**UNSUPPORTED WHEN ASSIGNED** Cross Site Scripting (XSS) in HP Deskjet 2540 series printer Firmware Version CEP1FN1418BR and Product Model Number A9U23B allows authenticated attacker to inject their own script into the page via HTTP configuration page. NOTE: This vulnerability only…

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affects products that are no longer supported by the maintainer.

CWE(s)

Related Threats

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

Affected Assets

hp
deskjet 2540 a9u23b firmware
cep1fn1418br

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