Cyber Resilience

CVE-2024-6884

MediumPublic PoC

Published: 08 August 2024

Published
08 August 2024
Modified
27 May 2025
KEV Added
—
Patch
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CVSS Score v3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0036 58.4th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-6884 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Kadencewp Gutenberg Blocks With Ai. Its CVSS base score is 5.4 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique JavaScript (T1059.007); ranked in the top 41.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

This vulnerability is AI-related — categorised as Enterprise AI Assistants; in the Other ATLAS/OWASP Terms risk domain.

EU & UK References

Vulnerability details

The Gutenberg Blocks with AI by Kadence WP WordPress plugin before 3.2.39 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the…

more

contributor role and above to perform Stored Cross-Site Scripting attacks

CWE(s)
CWE-79

AI Security AnalysisAI

AI Category
Enterprise AI Assistants
Risk Domain
Other ATLAS/OWASP Terms
OWASP Top 10 for LLMs 2025
None mapped
Classification Reason
The vulnerability affects 'Gutenberg Blocks with AI by Kadence WP', a WordPress plugin providing AI-enhanced Gutenberg blocks for content creation, fitting the Enterprise AI Assistants category as it integrates AI features into enterprise-level WordPress sites for assisted content generation.

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 →
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 →
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?

The stored XSS vulnerability enables content injection (T1659) into WordPress Gutenberg blocks by contributor+ users, leading to arbitrary JavaScript execution (T1059.007) for drive-by compromise (T1189), exploitation of a public-facing application (T1190), and stealing web session cookies (T1539).

Affected Assets

kadencewp
gutenberg blocks with ai
≤ 3.2.39

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