What is the CVSS score of CVE-2021-39332?

CVE-2021-39332 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: 0.5%.

Business Manager CVE-2021-39332

MEDIUM

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

2021-10-15 security@wordfence.com

WordPress XSS Business Manager

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

Oct 15, 2021 - 13:15 nvd

MEDIUM 4.8

DescriptionNVD

The Business Manager WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and sanitization found throughout the plugin which allowed attackers with administrative user access to inject arbitrary web scripts, in versions up to and including 1.4.5. This affects multi-site installations where unfiltered_html is disabled for administrators, and sites where unfiltered_html is disabled.

AnalysisAI

The Business Manager WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and sanitization found throughout the plugin which allowed attackers with. Rated medium severity (CVSS 4.8), this vulnerability is remotely exploitable, low attack complexity. 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 Business Manager WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and sanitization found throughout the plugin which allowed attackers with administrative user access to inject arbitrary web scripts, in versions up to and including 1.4.5. This affects multi-site installations where unfiltered_html is disabled for administrators, and sites where unfiltered_html is disabled. Affected products include: Bzmngr Business Manager.

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.