CVE-2024-40111

MediumPublic PoC

Published: 23 August 2024

Published

23 August 2024

Modified

21 April 2025

KEV Added

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Patch

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CVSS Score v3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS Score 0.0461 89.5th percentile

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

Summary

CVE-2024-40111 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Automad Automad. Its CVSS base score is 4.8 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique JavaScript (T1059.007); ranked in the top 10.5% 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

🇪🇺 ENISA EUVD: EUVD-2024-2581

Vulnerability details

A persistent (stored) cross-site scripting (XSS) vulnerability has been identified in Automad 2.0.0-alpha.4. This vulnerability enables an attacker to inject malicious JavaScript code into the template body. The injected code is stored within the flat file CMS and is executed…

in the browser of any user visiting the forum.

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 →

T1189 Drive-by Compromise Initial Access

Adversaries may gain access to a system through a user visiting a website over the normal course of browsing.

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 →

T1555.003 Credentials from Web Browsers Credential Access

Adversaries may acquire credentials from web browsers by reading files specific to the target browser.

attack.mitre.org →

T1659 Content Injection Initial Access

Adversaries may gain access and continuously communicate with victims by injecting malicious content into systems through online network traffic.

attack.mitre.org →

Why these techniques?

Stored XSS enables authenticated attackers to persistently inject malicious JavaScript into public web pages executed in victims' browsers, facilitating JS execution (T1059.007), drive-by compromise (T1189), session cookie theft (T1539), browser credential theft (T1555.003), and content injection (T1659).