How severe is CVE-2026-27436?

CVE-2026-27436 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-27436 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-27436?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2026-27436 published?

CVE-2026-27436 was published on 2026-07-02.

CVE-2026-27436

CVE-2026-27436 is a critical-severity vulnerability with a CVSS 3.x base score of 9.1. 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-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Published: 2026-07-02
Last modified: 2026-07-02

Description

Editor Arbitrary Code Execution in Five Star Business Profile and Schema <= 2.3.19 versions.

Frequently asked questions

What is CVE-2026-27436?: Editor Arbitrary Code Execution in Five Star Business Profile and Schema <= 2.3.19 versions.
How severe is CVE-2026-27436?: CVE-2026-27436 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-27436 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-27436?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-27436 published?: CVE-2026-27436 was published on 2026-07-02.

References

https://patchstack.com/database/wordpress/plugin/business-profile/vulnerability/wordpress-five-star-business-profile-and-schema-plugin-2-3-19-arbitrary-code-execution-vulnerability?_s_id=cve

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