OnboardLite has stored Cross-site Scripting issue that may lead to admin Account Take Over

published 2026-01-19 9 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-3283

cvss: 7.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 20%
public exploits: 0; none known

OnboardLite is a comprehensive membership lifecycle platform built for student organizations at the University of Central Florida. Versions of the software prior to commit 1d32081a66f21bcf41df1ecb672490b13f6e429f have a stored cross-site scripting vulnerability that can be rendered to an admin when they attempt to migrate a user's discord account in the dashboard. Commit 1d32081a66f21bcf41df1ecb672490b13f6e429f patches the issue.

Patch / fix

links 1

github.com/HackUCF/OnboardLite@1d32081 commit

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 9 mo ago (2026-01-20)

Exploit prediction

0.27% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

Affected products

HackUCF OnboardLite

Classification

Weakness

CWE-20 Improper Input Validation
CWE-79 Improper Neutralization of Input During Web Page Generation
CWE-116 Improper Encoding or Escaping of Output

References

Sources

CVE List CVE-2026-23880
NVD CVE-2026-23880

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary