Cyber Resilience

CVE-2023-49539

MediumPublic PoC

Published: 01 March 2024

Published
01 March 2024
Modified
14 April 2025
KEV Added
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Patch
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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-2023-49539 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/category. This vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the category parameter.

CWE(s)
CWE-79

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.
attack.mitre.org →
T1539 Steal Web Session Cookie Credential Access
An adversary may steal web application or service session cookies and use them to gain access to web applications or Internet services as an authenticated user without needing credentials.
attack.mitre.org →
Why these techniques?

The stored XSS vulnerability enables exploitation of a public-facing web application (T1190) by allowing injection of malicious JavaScript payloads into the 'Category Name' field, which executes in the browsers of other users viewing affected pages, facilitating theft of web session cookies (T1539).

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.

CA-8 Penetration Testing
addresses: CWE-79

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

SI-10 Information Input Validation
addresses: CWE-79

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

SI-15 Information Output Filtering
addresses: CWE-79

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

References