Cross Site Scripting Vulnerability in bufanyun HotGo Product
CVE-2026-5253

5.1MEDIUM

Key Information:

Vendor

Bufanyun

Status
Hotgo
Vendor
CVE Published:
1 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-5253?

A vulnerability has been discovered in bufanyun's HotGo versions 1.0 and 2.0, specifically in the editNotice Endpoint, located in the MessageList.vue file. This flaw allows for remote execution of malicious scripts through manipulation of an unknown functionality. As the exploit has been publicly released, it poses a significant risk for users, being accessible to potential attackers. Despite early notification to the vendor regarding the vulnerability, there has been no response, amplifying concerns of its exploitability.

Affected Version(s)

HotGo 1.0

HotGo 2.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-5253 - Proof of Concept

References

https://vuldb.com/vuln/354443
vdb-entry
https://vuldb.com/vuln/354443/cti
signaturepermissions-required
https://vuldb.com/submit/780614
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

VulDB
.