CVE-2020-24963

MEDIUM

Best Support System v3.0.4 - Authenticated Stored Cross-Site Scripting

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-24963. PoCs published by Ex.Mi.

AI-analyzed exploit summary This exploit demonstrates an authenticated persistent XSS vulnerability in Best Support System 3.0.4 via the 'ticket_body' parameter. The payload injects malicious JavaScript into a ticket reply, which executes when viewed by another user.

Description

An Authenticated Persistent XSS vulnerability was discovered in the Best Support System, tested version v3.0.4.

Exploits (1)

exploitdb WORKING POC
by Ex.Mi · textwebappsphp
https://www.exploit-db.com/exploits/49122

This exploit demonstrates an authenticated persistent XSS vulnerability in Best Support System 3.0.4 via the 'ticket_body' parameter. The payload injects malicious JavaScript into a ticket reply, which executes when viewed by another user.

Classification
Working Poc 95%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Best Support System 3.0.4
Auth required
Prerequisites: Authenticated session · Access to ticket reply functionality
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2

Scores

CVSS v3 5.4
EPSS 0.0185
EPSS Percentile 76.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
appsbd/best_support_system 3.0.4
Published Sep 04, 2020
Tracked Since Feb 18, 2026