Threat intelligence

JSON API User <= 4.1.0 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'content' Parameter

CVE-2026-9626 · json-api-user

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

Vulnerability: JSON API User <= 4.1.0 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'content' Parameter
Affected software: json-api-user(Plugin)
Affected versions: ≤ 4.1.0
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2026-9626
Published: 2 July 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 c41b0370-2881-4053-98b1-9c70251a3b63). Methodology and redistribution notes

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