CVE-2026-32856
Ellucian Banner Self-Service Reflected XSS via dateConverter
CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-79 |
| Vendor | ellucian |
| Product | banner self-service |
| Published | Jun 9, 2026 |
| Last Updated | Jun 9, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
Ellucian / Banner Self-Service
0 < April T2 9.23
References
ellucian.com: https://www.ellucian.com/security-researcher-hall-of-fame ellucian.com: https://www.ellucian.com/assets/en/brochure/brochure-learn-more-about-ellucian-banner-self-service.pdf vulncheck.com: https://www.vulncheck.com/advisories/ellucian-banner-self-service-reflected-xss-via-dateconverter
Credits
Abdullah M. Alotaibi Faris Almutairi VulnCheck