Vulnerability record · CVE-2026-100880 · published 27 September 2026

CVE-2026-100880: Cross-site scripting vulnerability

A weakness has been identified in zhistaredu StarTraining up to 3.8.1. This vulnerability affects unknown code of the file du-common/src/main/java/com/edu/common/utils/file/MimeTypeUtils.java of the component Upload Endpoint. This manipulation of the argument File causes cross site scripting. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

2.0 CVSS 4.0 Low CWE-79 · Cross-site scriptingCWE-94 · Code injection Received

2.0CVSS 4.0 base score, v2 4.0

—EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

5References

28 Sep 2026Last modified by NVD

Description

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

Link	Tags
https://github.com/ArrestX/startraining-advisories/blob/main/advisories/ST-VULN-006-stored-html-upload-xss.md
https://vuldb.com/cve/CVE-2026-100880
https://vuldb.com/submit/915512
https://vuldb.com/vuln/410810
https://vuldb.com/vuln/410810/cti

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Source: NIST National Vulnerability Database (record CVE-2026-100880), CISA KEV, FIRST EPSS. This page is refreshed as NVD updates the record.