CVE-2025-63417

HIGH

SelfBest 2023.3 - Authenticated Stored Cross-Site Scripting via Chat Message Input

Title source: llm
STIX 2.1

Description

A Stored Cross-Site Scripting (XSS) vulnerability in the chat functionality of the SelfBest platform 2023.3 allows authenticated attackers to inject arbitrary web scripts or HTML via the chat message input field. This malicious content is stored and then executed in the context of other users' browsers when they view the malicious message, potentially leading to session hijacking, account takeover, or other client-side attacks.

References (1)

Core 1

Scores

CVSS v3 7.2
EPSS 0.0021
EPSS Percentile 10.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
selfbest/selfbest 2023.3
Published Nov 05, 2025
Tracked Since Feb 18, 2026