What is the CVSS score of CVE-2024-3899?

CVE-2024-3899 has a CVSS 3.1 base score of 4.8 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.3%.

Is there a public PoC exploit available for CVE-2024-3899?

Yes, a public proof-of-concept exploit is available for CVE-2024-3899. Prioritise patching immediately. EPSS: 0.3%.

Envira Gallery CVE-2024-3899

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2024-09-11 contact@wpscan.com

WordPress XSS Envira Gallery

4.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.8 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Sep 11, 2024 - 06:15 nvd

MEDIUM 4.8

DescriptionNVD

AnalysisAI

The Gallery Plugin for WordPress WordPress plugin before 1.8.15 does not sanitise and escape some of its image settings, which could allow users with post-writing privilege such as Author to perform. Rated medium severity (CVSS 4.8), 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 Gallery Plugin for WordPress WordPress plugin before 1.8.15 does not sanitise and escape some of its image settings, which could allow users with post-writing privilege such as Author to perform Cross-Site Scripting attacks. Affected products include: Enviragallery Envira Gallery. Version information: before 1.8.15.

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.