CVE-2023-1166

MEDIUM

Published Jun 27, 20233y ago · Modified Jun 17, 20262w ago

4.8 CVSS 3.1

Medium

Published Jun 27, 2023 3y ago

Last Modified Jun 17, 2026 2w ago

Description

The USM-Premium WordPress plugin before 16.3 does not sanitize and escape some of its settings, which could allow high-privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example, in multisite setup).

CVSS Details

Base Score

4.8

Exploitability

1.7

Impact

2.7

Vector string

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Attack Vector Network

Attack Complexity Low

Privileges Required High

User Interaction Required

Scope Changed

Confidentiality Low

Integrity Low

Availability None

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status

Public Exploit Known

No Patch Available

Affected Products 1

Vendor	Product	Version	Range
ultimatelysocial	usm_premium	*	<16.3

References 1

wpscan.com https://wpscan.com/vulnerability/825eccf9-f351-4a5b-b238-9969141b94fa

ExploitThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.