Medium severity · published Jan 22, 2026
CVE-2026-22398
WordPress Fleur theme <= 2.0 - Insecure Direct Object References (IDOR) vulnerability
5.4
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FL
Fleur · Mikado-Themes
through 2.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-22398
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-22398
patchstack.com
https://patchstack.com/database/Wordpress/Theme/fleur/vulnerability/wordpress-fleur-theme-2-0-insecure-direct-object-references-idor-vulnerability?_s_id=cve
More from Fleur
8.1
CVE-2026-22397
WordPress Fleur theme <= 2.2.1 - Local File Inclusion vulnerability