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.
CVE-2026-32856
MEDIUMPre-NVD 6.16.1—Trending — 3 sources updated this week
EchelonGraph scoreHIGH confidence
Score 6.1 from GitHub Security Advisory published 2026-06-09. a secondary CVSS source baseline 6.1; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
6.1
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.1Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.1
- EG Score
- 6.1(high)
- EPSS
- 12.5%
- KEV
- Not listed
Published
June 9, 2026
Last Modified
June 10, 2026
Advisory Details (2)
Auto-updated Jun 15, 2026No patch confirmed yet.
generic
Ellucian Banner Self-Service Reflected XSS via dateConverter | Advisories | VulnCheck
https://www.vulncheck.com/advisories/ellucian-banner-self-service-reflected-xss-via-dateconvertergeneric
Security Researcher Hall of Fame | Ellucian
https://www.ellucian.com/security-researcher-hall-of-fameVendor Advisories for CVE-2026-32856(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Frequently asked(5)
What is CVE-2026-32856?
CVE-2026-32856 is a medium vulnerability published on June 9, 2026. 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…
When was CVE-2026-32856 disclosed?
CVE-2026-32856 was first published in the National Vulnerability Database on June 9, 2026, with the most recent update on June 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-32856 actively exploited?
CVE-2026-32856 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 12.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-32856?
CVE-2026-32856 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2026-32856?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-32856, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-32856
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