CVE-2026-32856

Medium

Description

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.

SeverityMedium
CVSS6.1
Exploit probability—
ProductBanner Self-Service
PublishedJun 9, 2026
First seenJun 9, 2026

How to fix

Update
  • Ellucian Banner Self-ServiceApril T2 or later

Affected products

ProductAffected versionsFixed in
Ellucian Banner Self-Servicev < April T2, 9.23April T2

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