CVE-2023-49977

MEDIUM

Customer Support System 1 - Stored Cross-Site Scripting via Address Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-49977. PoCs published by geraldoalcantara.

AI-analyzed exploit summary This repository provides a detailed technical description of a stored XSS vulnerability in Customer Support System 1.0, including steps to reproduce and a payload example. It does not contain functional exploit code but offers clear technical insights into the vulnerability.

Description

A cross-site scripting (XSS) vulnerability in Customer Support System v1 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the address parameter at /customer_support/index.php?page=new_customer.

Exploits (1)

nomisec WRITEUP
by geraldoalcantara · poc
https://github.com/geraldoalcantara/CVE-2023-49977

This repository provides a detailed technical description of a stored XSS vulnerability in Customer Support System 1.0, including steps to reproduce and a payload example. It does not contain functional exploit code but offers clear technical insights into the vulnerability.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Customer Support System 1.0
Auth required
Prerequisites: Access to the application · Valid credentials to log in · Ability to edit or create a customer
MITRE ATT&CK
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (2)

Core 2

Scores

CVSS v3 5.4
EPSS 0.0045
EPSS Percentile 35.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-79
Status published
Products (1)
oretnom23/customer_support_system 1.0
Published Mar 06, 2024
Tracked Since Feb 18, 2026