How to fix CVE-2024-9238?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Is Avif Uploader affected by CVE-2024-9238?

Organizations using AVIF Uploader WordPress should be aware of moderate risk from CVE-2024-9238, a cross-site scripting vulnerability rated CVSS 5.4. Attackers could inject scripts to steal sessions or perform actions as authenticated users. Proof-of-concept code is publicly available.

CVE-2024-9238

MEDIUM

2025-05-15 [email protected]

WordPress XSS Avif Uploader

5.4

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:42 vuln.today

PoC Detected

Jun 12, 2025 - 16:31 vuln.today

Public exploit code

CVE Published

May 15, 2025 - 20:16 nvd

MEDIUM 5.4

DescriptionNVD

The AVIF Uploader WordPress plugin before 1.1.1 does not sanitise uploaded SVG files, which could allow users with a role as low as Author to upload a malicious SVG containing XSS payloads.

AnalysisAI

The AVIF Uploader WordPress plugin before 1.1.1 does not sanitise uploaded SVG files, which could allow users with a role as low as Author to upload a malicious SVG containing XSS payloads. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. The AVIF Uploader WordPress plugin before 1.1.1 does not sanitise uploaded SVG files, which could allow users with a role as low as Author to upload a malicious SVG containing XSS payloads. Affected products include: Grandplugins Avif Uploader. Version information: before 1.1.1.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

CVE-2024-9238 vulnerability details – vuln.today

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