CVE-2021-39332

Name: CVE-2021-39332
Creator: NVD / NIST
Published: 2021-10-15T13:15:07.6+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 0.51%

Last modified Jun 17, 2026

CVE-2021-39332 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. 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.. EPSS estimates a 0.51% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

4.8/10

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

EPSS Probability

0.51%

39.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Bzmngr	Business Manager	<= 1.4.5

References

https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39332Third Party Advisory
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39332Third Party Advisory

Timeline

Published: Oct 15, 2021
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2021-39332?

How severe is CVE-2021-39332?

CVE-2021-39332 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.51% probability of exploitation in the next 30 days.

How do I fix CVE-2021-39332?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-39332?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST