How severe is CVE-2026-54847?

CVE-2026-54847 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-54847 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-54847?

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

When was CVE-2026-54847 published?

CVE-2026-54847 was published on 2026-06-26.

CVE-2026-54847

CVE-2026-54847 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. 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-862.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Published: 2026-06-26
Last modified: 2026-06-26

Description

Unauthenticated Broken Access Control in Stylish Cost Calculator <= 8.3.9 versions.

Frequently asked questions

What is CVE-2026-54847?: Unauthenticated Broken Access Control in Stylish Cost Calculator <= 8.3.9 versions.
How severe is CVE-2026-54847?: CVE-2026-54847 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-54847 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-54847?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-54847 published?: CVE-2026-54847 was published on 2026-06-26.

References

https://patchstack.com/database/wordpress/plugin/stylish-cost-calculator/vulnerability/wordpress-stylish-cost-calculator-plugin-8-3-9-broken-access-control-vulnerability?_s_id=cve

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