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CVE-2023-49976

MediumPublished

A cross-site scripting (XSS) vulnerability in Customer Support System v1 allows attackers to execute arbitrary web scripts or HTML via a crafted payload...

Published: Mar 6, 2024
Updated: Nov 1, 2024
Assigning CNA: mitre
Evidence observed: Aug 8, 2026

Primary CVSS

5.4/ 10Medium

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS probability estimate

0.5%

Low · next 30 days

Percentile: 39.4%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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 subject parameter at /customer_support/index.php?page=new_ticket.

Sources

CVE-2023-49976PoC
Customer Support System 1.0 is vulnerable to stored XSS. A XSS vulnerability exists in version 1 of the Customer Support System. A malicious actor can insert JavaScript code through the "subject" field when editing/creating a ticket.

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