Threat intelligence

Hester Core <= 1.1.8 - Authenticated (Author+) Stored Cross-Site Scripting

CVE-2026-57656 · hester-core

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Hester Core at a vulnerable version. How SiteRespond intelligence works

Vulnerability: Hester Core <= 1.1.8 - Authenticated (Author+) Stored Cross-Site Scripting
Affected software: hester-core(Plugin)
Affected versions: ≤ 1.1.8
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2026-57656
Published: 26 June 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Source: Data imported from Wordfence Intelligence (advisory b25c27ee-0d50-4b1e-ac07-469c99e601d1). Methodology and redistribution notes

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