CVE-2023-0539

MEDIUM

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

5.4 CVSS 3.1

Medium

Published Feb 27, 2023 3y ago

Last Modified Jun 17, 2026 2w ago

Description

The GS Insever Portfolio WordPress plugin before 1.4.5 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

CVSS Details

Base Score

5.4

Exploitability

2.3

Impact

2.7

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required Low

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

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 1

Vendor	Product	Version	Range
gsplugins	gs_insever_portfolio	*	<1.4.5

References 1

wpscan.com https://wpscan.com/vulnerability/a4b6a83a-6394-4dfc-8bb3-4982867dab7d

ExploitThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.