TI-2026-65018 Aliases CVE-2026-100880 GHSA-vmwc-7v5f-ffp7

zhistaredu StarTraining Upload Endpoint MimeTypeUtils.java cross site scripting

MEDIUM 56CWE-79Published 2026-09-27 · Updated 2026-09-28

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Passive
Attack complexity: Low
Attack requirements: None
Impact type: Cross-site scripting, Code execution
Confidentiality · integrity · availability: None · Low · None
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79 and CWE-94.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00191 8th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
zhistaredu	StarTraining	3.8.0; 3.8.1	—	No fix listed	CNA

StarTraining Vendorzhistaredu Affected 3.8.0; 3.8.1 Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:zhistaredu:startraining::::::::	—	—	zhistaredu

cpe:2.3:a:zhistaredu:startraining:*:*:*:*:*:*:*:* Versions — — ·zhistaredu

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-100880
2026-10-03 Alias added: GHSA-vmwc-7v5f-ffp7

References

Exploit 1

https://github.com/ArrestX/startraining-advisories/blob/main/advisories/ST-VULN-006-stored-html-upload-xss.md

TI-2026-64288 zhistaredu StarTraining api-docs Endpoint SecurityConfig.java missing authentication CVSS 4.0MEDIUM 6.9
TI-2026-64287 zhistaredu StarTraining Druid Console index.html anonymous missing authentication CVSS 4.0MEDIUM 6.9
TI-2026-64286 zhistaredu StarTraining JWT Token application.yml UserLoginService.createToken hard-coded password CVSS 4.0MEDIUM 6.9
TI-2026-65017 zhistaredu StarTraining dataScope Endpoint SysRoleServiceImpl.java checkRoleAllowed authorization CVSS 4.0MEDIUM 5.3
TI-2026-65016 zhistaredu StarTraining authRole Endpoint SysUser.java SysUser.isAdmin authorization CVSS 4.0MEDIUM 5.3
TI-2026-65019 zhistaredu StarTraining application.yml cross site scripting CVSS 4.0LOW 2.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences