CVE-2026-32856 MEDIUM

CVE-2026-32856: Ellucian Banner Self-Service Reflected XSS via dateConverter

Vendor Ellucian
Product Banner Self-Service
Weakness CWE-79 · XSS
Published June 9, 2026
Last update June 10, 2026

CVSS base score

5.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

What the vulnerability does

01Description

Ellucian Banner Self-Service before the April T2 release (2025-04-23) contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to execute arbitrary JavaScript in a victim's browser by injecting unsanitized input through the toDateFormat request parameter in the dateConverter endpoint. Attackers can craft a malicious URL targeting the unauthenticated dateConverter endpoint to steal session cookies or perform other malicious actions in the context of the victim's browser session.

Key dates

02Disclosure timeline

June 9, 2026 CVE published
June 10, 2026 Record updated