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TI-2026-04588 Aliases CVE-2026-5253GHSA-vh7h-cc8j-x655

bufanyun HotGo editNotice Endpoint MessageList.vue cross site scripting

Priority MEDIUM 56CWE-79Published · Updated

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 bufanyun HotGo 1.0/2.0. Affected by this vulnerability is an unknown functionality of the file /web/src/layout/components/Header/MessageList.vue of the component editNotice Endpoint. Executing a manipulation can lead to cross site scripting. The attack can be launched 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 0.00248 16th 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

VendorProductAffected versionsFixed inStatusSource
bufanyunHotGo1.0; 2.0—No fix listedCNA
  • HotGo Vendorbufanyun Affected 1.0; 2.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-5253
  2. 2026-10-03 Alias added: GHSA-vh7h-cc8j-x655

References

Exploit 1

  • TI-2026-83839 HotGo Authentication Bypass via Client-Set SMS Verification Code CVSS 4.0CRITICAL 9.2
  • TI-2026-03178 bufanyun HotGo Endpoint upload.go ImageTransferStorage server-side request forgery CVSS 4.0MEDIUM 5.3

Sources

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