CVE-2024-35498

MediumPublic PoC

Published: 06 January 2025

Published

06 January 2025

Modified

17 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 0.0015 35.7th percentile

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

Summary

CVE-2024-35498 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Getgrav Grav. Its CVSS base score is 6.1 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Drive-by Compromise (T1189); ranked at the 35.7th 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-2025-0034

Vulnerability details

A cross-site scripting (XSS) vulnerability in Grav v1.7.45 allows attackers to execute arbitrary web scripts or HTML via a crafted payload.

CWE(s): CWE-79

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

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 →

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 →

T1059.007 JavaScript Execution

Adversaries may abuse various implementations of JavaScript for execution.

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?

Stored XSS in Grav CMS (CVE-2024-35498) allows restricted users to inject malicious JavaScript into pages viewed by others (including admins), enabling drive-by compromise (T1189), exploitation of public-facing application (T1190), JavaScript execution in browsers (T1059.007), and theft of web session cookies (T1539).