Security readout for executives and security teams
Plain-English summary
CVE-2026-23880 is a stored cross-site scripting flaw in HackUCF OnboardLite. A low-privileged user could store content that runs in an administrator’s browser during Discord account migration, potentially leading to administrator account takeover. The issue is patched in commit 1d32081a66f21bcf41df1ecb672490b13f6e429f.
Executive priority
Prioritize remediation if OnboardLite is deployed and administrators use the Discord migration workflow. The business risk is administrator account compromise, but exposure is likely narrow and no active exploitation is reported in the provided sources.
Technical view
OnboardLite versions before commit 1d32081a66f21bcf41df1ecb672490b13f6e429f improperly handle user-controlled input rendered in the admin dashboard Discord migration workflow. The advisory maps this to CWE-116, CWE-20, and CWE-79. CVSS 3.1 is 7.3 high: network exploitable, low complexity, low privileges required, and admin interaction required.
Likely exposure
Exposure appears limited to organizations running HackUCF OnboardLite before the named patch commit. The project is described as a membership lifecycle platform for University of Central Florida student organizations, so broad commercial exposure is not indicated by the sources.
Exploitation context
The vulnerability requires an authenticated low-privileged user and administrator interaction with the affected dashboard workflow. The sources do not report active exploitation, and it is not listed as CISA KEV in the provided bundle.
Researcher notes
Do not assume other products are affected. The evidence names only HackUCF OnboardLite before the patch commit. The attack path depends on stored XSS rendered to an administrator during Discord migration. Source details are sufficient for triage but do not include broader exploitation telemetry.
Mitigation direction
- Update OnboardLite to commit 1d32081a66f21bcf41df1ecb672490b13f6e429f or later.
- Review the GitHub security advisory for any additional vendor guidance.
- Restrict admin dashboard access to trusted administrators until updated.
- Treat suspicious stored user profile or Discord-related fields as potentially unsafe before patching.
Validation and detection
- Inventory any OnboardLite deployments and record the deployed commit or version.
- Confirm the deployed code includes commit 1d32081a66f21bcf41df1ecb672490b13f6e429f.
- Review admin dashboard audit logs around Discord account migrations.
- Check for unexpected administrator account changes after user Discord migration activity.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-116: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-20: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-23880 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N2.15.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.3HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/HackUCF/OnboardLite/security/advisories/GHSA-93w8-83cg-h89gCVE reference · x_refsource_CONFIRM
- https://github.com/HackUCF/OnboardLite/commit/1d32081a66f21bcf41df1ecb672490b13f6e429fCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.