Medium severity · published Jun 26, 2026
CVE-2026-57656
WordPress Hester Core plugin <= 1.1.8 - Cross Site Scripting (XSS) vulnerability
5.9
CVSS
0.2%
EPSS
No
On KEV
Description
Author Cross Site Scripting (XSS) in Hester Core <= 1.1.8 versions.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HC
Hester Core · peregrinethemes
through 1.1.8 · source: vendor