Is CVE-2026-5253 actively exploited?

No active exploitation of CVE-2026-5253 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-5253 be exploited remotely?

Yes. CVE-2026-5253 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-5253?

CVE-2026-5253 has a CVSS score of 3.5 (LOW).

HOME VULNERABILITIESCVE-2026-5253

LOW

CVE-2026-5253

CWE-79Published: April 1, 2026· Updated: Apr 1, 2026

3.5

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:8.1th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-5253 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.