CVE-2022-48311: HP Deskjet 2540 a9u23b Firmware

Critical severity, CVSS 9.0. EPSS: 1% chance of exploitation in the next 30 days.

**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 affects products that are no longer supported by the maintainer.

Affected products

• HP Deskjet 2540 a9u23b Firmware: version cep1fn1418br only

Published 2023-02-06. Last modified 2026-06-17.