{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-9626", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-05-26T17:20:23.199Z", "datePublished": "2026-07-03T04:30:19.039Z", "dateUpdated": "2026-07-03T04:30:19.039Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-07-03T04:30:19.039Z"}, "affected": [{"vendor": "parorrey", "product": "JSON API User", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "4.1.0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The JSON API User plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'content' parameter of the post_comment API endpoint in versions up to, and including, 4.1.0 This is due to insufficient input sanitization in the post_comment() function, which passes the attacker-controlled comment_content value directly to wp_insert_comment() without applying any HTML sanitization, and additionally allows the caller to set comment_approved=1 to self-approve the comment and bypass moderation. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."}], "title": "JSON API User <= 4.1.0 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'content' Parameter", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/c41b0370-2881-4053-98b1-9c70251a3b63?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/json-api-user/tags/4.1.0/controllers/User.php#L1007"}, {"url": "https://plugins.trac.wordpress.org/browser/json-api-user/tags/4.1.0/controllers/User.php#L995"}, {"url": "https://plugins.trac.wordpress.org/browser/json-api-user/tags/4.1.0/controllers/User.php#L979"}, {"url": "https://plugins.trac.wordpress.org/changeset/3576431/json-api-user/trunk/controllers/User.php"}, {"url": "https://plugins.trac.wordpress.org/changeset?old_path=%2Fjson-api-user/tags/4.1.0&new_path=%2Fjson-api-user/tags/4.1.2"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "cweId": "CWE-79", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "baseScore": 6.4, "baseSeverity": "MEDIUM"}}], "credits": [{"lang": "en", "type": "finder", "value": "Yat"}], "timeline": [{"time": "2026-06-17T22:57:05.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-07-02T15:54:16.000Z", "lang": "en", "value": "Disclosed"}]}}}

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