CVE-2026-32856

MEDIUM EPSS 12.4%
Published Jun 9, 20263w ago · Modified Jun 17, 20262w ago
5.1 CVSS 4.0
Medium
Find Similar
Published Jun 9, 2026 3w ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
5.1
Exploitability
—
Impact
—
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction A
Scope X

Threat Intelligence

EPSS Exploit Probability
12.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

References 3

  • ellucian.com https://www.ellucian.com/assets/en/brochure/brochure-learn-more-about-ellucian-banner-self-service.pdf
  • ellucian.com https://www.ellucian.com/security-researcher-hall-of-fame
  • vulncheck.com https://www.vulncheck.com/advisories/ellucian-banner-self-service-reflected-xss-via-dateconverter

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.