Cyber Resilience

CVE-2023-49540

MediumPublic PoC

Published: 01 March 2024

Published
01 March 2024
Modified
14 April 2025
KEV Added
Patch
CVSS Score v3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0032 55.6th percentile
Risk Priority 12 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-49540 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Oretnom23 Book Store Management System. Its CVSS base score is 6.1 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 44.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Book Store Management System v1.0 was discovered to contain a cross-site scripting (XSS) vulnerability in /bsms_ci/index.php/history. This vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the history parameter.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
Why these techniques?

The stored XSS vulnerability in the public-facing Book Store Management System web application (/bsms_ci/index.php/history via transaction input) allows remote attackers to inject and execute arbitrary JavaScript in the browser context of users viewing the history page, facilitating initial access.

Affected Assets

oretnom23
book store management system
1.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References