Medium severity · published Oct 13, 2026
CVE-2026-106598
WordPress User Registration plugin <= 5.2.8 - Sensitive Data Exposure vulnerability
5.3
CVSS
0.2%
EPSS
No
On KEV
Description
Missing Authorization vulnerability in ThemeGrill User Registration user-registration allows Retrieve Embedded Sensitive Data.This issue affects User Registration: from n/a through 5.2.8.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UR
User Registration · ThemeGrill
through 5.2.8 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-106598
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-106598
vdb-entry
https://patchstack.com/database/wordpress/plugin/user-registration/vulnerability/wordpress-user-registration-plugin-5-2-8-sensitive-data-exposure-vulnerability?_s_id=cve
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