Cyber Resilience

CVE-2023-6440

LowPublic PoC

Published: 30 November 2023

Published
30 November 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 3.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
EPSS Score 0.0013 33.1th percentile
Risk Priority 7 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-6440 is a low-severity Cross-site Scripting (CWE-79) vulnerability in Remyandrade Book Borrower System. Its CVSS base score is 3.5 (Low).

Operationally, exploitation aligns with the MITRE ATT&CK technique JavaScript (T1059.007); ranked at the 33.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

A vulnerability was found in SourceCodester Book Borrower System 1.0 and classified as problematic. This issue affects some unknown processing of the file endpoint/add-book.php. The manipulation of the argument Book Title/Book Author leads to cross site scripting. The attack may…

more

be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-246443.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1059.007 JavaScript Execution
Adversaries may abuse various implementations of JavaScript for execution.
Why these techniques?

The cross-site scripting (XSS) vulnerability in endpoint/add-book.php allows injection of JavaScript via Book Title/Book Author parameters, enabling execution of JavaScript in victims' browsers as mapped by the advisory to T1059.007.

Affected Assets

remyandrade
book borrower 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