How severe is CVE-2026-27410?

CVE-2026-27410 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-27410 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-27410?

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

Does CVE-2026-27410 have an EU (EUVD) identifier?

Yes. CVE-2026-27410 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37670.

When was CVE-2026-27410 published?

CVE-2026-27410 was published on 2026-06-17.

CVE-2026-27410

CVE-2026-27410 is a medium-severity vulnerability with a CVSS 3.x base score of 6.5. 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-502.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-37670
Weakness: CWE-502
Published: 2026-06-17
Last modified: 2026-06-17

Description

Unauthenticated Deserialization of untrusted data in Slimstat Analytics < 5.4.0 versions.

Frequently asked questions

What is CVE-2026-27410?: Unauthenticated Deserialization of untrusted data in Slimstat Analytics < 5.4.0 versions.
How severe is CVE-2026-27410?: CVE-2026-27410 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-27410 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-27410?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-27410 have an EU (EUVD) identifier?: Yes. CVE-2026-27410 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37670.
When was CVE-2026-27410 published?: CVE-2026-27410 was published on 2026-06-17.

References

https://patchstack.com/database/wordpress/plugin/wp-slimstat/vulnerability/wordpress-slimstat-analytics-plugin-5-4-0-deserialization-of-untrusted-data-vulnerability?_s_id=cve

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