How severe is CVE-2026-22398?

CVE-2026-22398 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2026-22398 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-22398?

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

Does CVE-2026-22398 have an EU (EUVD) identifier?

Yes. CVE-2026-22398 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3835.

When was CVE-2026-22398 published?

CVE-2026-22398 was published on 2026-01-22 and last updated on 2026-06-17.

CVE-2026-22398

CVE-2026-22398 is a medium-severity vulnerability with a CVSS 3.x base score of 5.4. 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-639.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-3835
Weakness: CWE-639
Published: 2026-01-22
Last modified: 2026-06-17

Description

Authorization Bypass Through User-Controlled Key vulnerability in Mikado-Themes Fleur fleur allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Fleur: from n/a through <= 2.0.

Frequently asked questions

What is CVE-2026-22398?: Authorization Bypass Through User-Controlled Key vulnerability in Mikado-Themes Fleur fleur allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Fleur: from n/a through <= 2.0.
How severe is CVE-2026-22398?: CVE-2026-22398 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2026-22398 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-22398?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-22398 have an EU (EUVD) identifier?: Yes. CVE-2026-22398 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3835.
When was CVE-2026-22398 published?: CVE-2026-22398 was published on 2026-01-22 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Theme/fleur/vulnerability/wordpress-fleur-theme-2-0-insecure-direct-object-references-idor-vulnerability?_s_id=cve

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