CVE-2024-40347

MediumPublic PoC

Published: 20 July 2024

Published

20 July 2024

Modified

18 March 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 0.0017 38.1th percentile

Risk Priority 12 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-40347 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Hyland Alfresco Content Services. Its CVSS base score is 6.1 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique JavaScript (T1059.007); ranked at the 38.1th 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

🇪🇺 ENISA EUVD: EUVD-2024-38434

Vulnerability details

A reflected cross-site scripting (XSS) vulnerability in Hyland Alfresco Platform 23.2.1-r96 allows attackers to execute arbitrary code in the context of a user's browser via injecting a crafted payload into the parameter htmlid.

CWE(s): CWE-79

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1059.007 JavaScript Execution

Adversaries may abuse various implementations of JavaScript for execution.

attack.mitre.org →

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?

Reflected XSS enables arbitrary JavaScript execution in the victim's browser (T1059.007), exploitation of a web application (T1190), and theft of web session cookies via injected scripts (T1539).