High severity · published Sep 10, 2026
CVE-2026-81804
WordPress ZHBackup – Backup, Restore & Migration plugin <= 2.4.2 - Sensitive Data Exposure vulnerability
7.5
CVSS
0.4%
EPSS
No
On KEV
Description
Unauthenticated Sensitive Data Exposure in ZHBackup – Backup, Restore & Migration <= 2.4.2 versions.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 36% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZB
ZHBackup – Backup, Restore & Migration · Zain Hassan
through 2.4.2 · source: vendor
Affected product
ZB
ZHBackup – Backup, Restore & Migration
Zain Hassan
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-81804
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-81804
patchstack.com
https://patchstack.com/database/wordpress/plugin/zhbackup/vulnerability/wordpress-zhbackup-backup-restore-migration-plugin-2-4-2-sensitive-data-exposure-vulnerability?_s_id=cve