CVE-2026-32856
CVE-2026-32856 is a medium-severity vulnerability with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- CVSS v4: 5.1
- EPSS exploit prediction: 0% (12th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-35795
- Weakness: CWE-79
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2026-32856?
- 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.
- How severe is CVE-2026-32856?
- CVE-2026-32856 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2026-32856 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-32856?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-32856 have an EU (EUVD) identifier?
- Yes. CVE-2026-32856 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35795.
- When was CVE-2026-32856 published?
- CVE-2026-32856 was published on 2026-06-09 and last updated on 2026-06-17.
References
- https://www.ellucian.com/assets/en/brochure/brochure-learn-more-about-ellucian-banner-self-service.pdf
- https://www.ellucian.com/security-researcher-hall-of-fame
- https://www.vulncheck.com/advisories/ellucian-banner-self-service-reflected-xss-via-dateconverter
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