How severe is CVE-2021-39332?

CVE-2021-39332 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-39332 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-39332?

CVE-2021-39332 affects Bzmngr Business Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-39332?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-39332 published?

CVE-2021-39332 was published on 2021-10-15 and last updated on 2026-06-17.

CVE-2021-39332

CVE-2021-39332 is a medium-severity vulnerability in Bzmngr Business Manager with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Bzmngr Business Manager
Published: 2021-10-15
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-39332?: 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.
How severe is CVE-2021-39332?: CVE-2021-39332 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-39332 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-39332?: CVE-2021-39332 affects Bzmngr Business Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-39332?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-39332 published?: CVE-2021-39332 was published on 2021-10-15 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:bzmngr:business_manager:*:*:*:*:*:wordpress:*:*

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