CVE-2026-32856
MediumCVSS 6.1Exploitation Probability (EPSS)
Low risk19th percentile - higher than 19% of all known CVEs
Summary
Ellucian Banner Self-Service before the April T2 release in 2025 contains a reflected XSS vulnerability that allows unauthenticated attackers to execute arbitrary JavaScript in a victim's browser. Attackers can inject unsanitized input through the toDateFormat request parameter in the dateConverter endpoint.
Risk Assessment
This vulnerability allows for the theft of session cookies and other malicious actions within the victim's browser session, potentially leading to serious security breaches.
Recommendation
It is recommended to update Ellucian Banner Self-Service to a version after April 2025 and implement appropriate input sanitization mechanisms.
Original NVD description (English source)
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.

