CVE-2026-32856: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Ellucian Banner Self-Service
Ellucian Banner Self-Service version 9. 23 contains a reflected cross-site scripting (XSS) vulnerability in the dateConverter endpoint. This vulnerability allows unauthenticated attackers to inject malicious JavaScript via the toDateFormat request parameter. Exploitation can lead to execution of arbitrary scripts in the victim's browser, potentially enabling session cookie theft or other malicious actions. The vulnerability is rated medium severity with a CVSS score of 5. 1. No official patch or remediation guidance has been provided as of the published date.
AI Analysis
Technical Summary
CVE-2026-32856 is a reflected cross-site scripting vulnerability in Ellucian Banner Self-Service prior to the April T2 release (2025-04-23). The issue arises from improper neutralization of input in the toDateFormat parameter of the unauthenticated dateConverter endpoint, allowing attackers to execute arbitrary JavaScript in a victim's browser. This can be exploited by crafting malicious URLs targeting this endpoint. The vulnerability affects version 9.23 of Banner Self-Service. No vendor advisory or patch information is currently available.
Potential Impact
Successful exploitation allows unauthenticated attackers to execute arbitrary JavaScript in the context of a victim's browser session. This can lead to theft of session cookies or other malicious actions performed on behalf of the victim. The vulnerability does not require user privileges and has a medium severity rating (CVSS 5.1). There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should avoid clicking on suspicious links targeting the dateConverter endpoint. Monitor vendor communications for updates regarding patches or mitigations.
CVE-2026-32856: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Ellucian Banner Self-Service
Description
Ellucian Banner Self-Service version 9. 23 contains a reflected cross-site scripting (XSS) vulnerability in the dateConverter endpoint. This vulnerability allows unauthenticated attackers to inject malicious JavaScript via the toDateFormat request parameter. Exploitation can lead to execution of arbitrary scripts in the victim's browser, potentially enabling session cookie theft or other malicious actions. The vulnerability is rated medium severity with a CVSS score of 5. 1. No official patch or remediation guidance has been provided as of the published date.
CVSS v4.0
Score 5.1medium
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-32856 is a reflected cross-site scripting vulnerability in Ellucian Banner Self-Service prior to the April T2 release (2025-04-23). The issue arises from improper neutralization of input in the toDateFormat parameter of the unauthenticated dateConverter endpoint, allowing attackers to execute arbitrary JavaScript in a victim's browser. This can be exploited by crafting malicious URLs targeting this endpoint. The vulnerability affects version 9.23 of Banner Self-Service. No vendor advisory or patch information is currently available.
Potential Impact
Successful exploitation allows unauthenticated attackers to execute arbitrary JavaScript in the context of a victim's browser session. This can lead to theft of session cookies or other malicious actions performed on behalf of the victim. The vulnerability does not require user privileges and has a medium severity rating (CVSS 5.1). There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should avoid clicking on suspicious links targeting the dateConverter endpoint. Monitor vendor communications for updates regarding patches or mitigations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-03-16T18:11:41.759Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a286c5b8dd33fbd857433a3
Added to database: 6/9/2026, 7:41:15 PM
Last enriched: 6/9/2026, 8:26:21 PM
Last updated: 6/10/2026, 5:07:09 AM
Views: 7
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