CVE-2023-23987 MEDIUM

CVE-2023-23987: WordPress User Registration Plugin <= 2.3.0 is vulnerable to Cross Site Scripting (XSS)

Vendor Wpeverest

Product User Registration

Weakness CWE-79 · XSS

Published April 6, 2023

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

5.9/10

Attack vector Network

Attack complexity Low

Privileges required High

User interaction Required

Confidentiality Low

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in WPEverest User Registration plugin <= 2.3.0 versions.

Explanation of Vulnerability in Simple Terms

02Summary

User Registration versions up to 2.3.0 contain a cross-site scripting (XSS) vulnerability that allows authenticated administrators to inject malicious scripts. The vulnerability requires an admin to visit a specially crafted page or link. Successful exploitation can compromise site integrity and expose visitor data.

What an attacker can do

03Attacker Capabilities

Inject malicious JavaScript that runs in the browsers of site visitors and administrators.

Potential impact on your site

04Site Impact

An admin account could be compromised to inject malware or steal visitor data without your knowledge.

Conditions required to exploit

05Prerequisites

Attacker must have administrator privileges and the victim must visit a malicious link or page.

Key dates

06Disclosure timeline

April 6, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-23987 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

Related vulnerabilities