CVE-2026-115277

WP User Frontend < 4.3.14 - Reflected XSS via 'field_attr' Parameter

Published Oct 30, 2026 CVSS 3.1 · 4.7 Medium EPSS < 1% KEV · Not listed
Description
The User Frontend WordPress plugin before 4.3.14 does not sanitise and escape some user-supplied values before reflecting them into HTML attributes in a publicly reachable AJAX response, leading to Reflected Cross-Site Scripting. The affected action is gated by an anonymous nonce that only validates for logged-out requests, so the payload executes against logged-out visitors rather than authenticated users.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions user Frontend
Vendors & Products Wordpress-extensions
Wordpress-extensions user Frontend
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 4.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-79
Type Values Removed Values Added
Description The User Frontend WordPress plugin before 4.3.14 does not sanitise and escape some user-supplied values before reflecting them into HTML attributes in a publicly reachable AJAX response, leading to Reflected Cross-Site Scripting. The affected action is gated by an anonymous nonce that only validates for logged-out requests, so the payload executes against logged-out visitors rather than authenticated users.
Title WP User Frontend < 4.3.14 - Reflected XSS via 'field_attr' Parameter
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Oct 30, 2026, 1:26 PM
Reserved
Oct 22, 2026, 9:34 AM
Status
Deferred
Published
Oct 30, 2026, 6:16 AM
Modified
Oct 30, 2026, 5:49 PM