RCE in Bufanyun Hotgo

CVE-2026-5253

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (15.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-5253?
CVE-2026-5253 is a low-severity vulnerability in Bufanyun Hotgo, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-04-01.
How severe is CVE-2026-5253?
Low severity. CVSS v3 base score is 3.5 out of 10.