CVE-2023-26012 MEDIUM

CVE-2023-26012: WordPress Custom Login Page Plugin <= 2.0 is vulnerable to Cross Site Scripting (XSS)

Vendor Denzel Chia | Phire Design

Product Custom Login Page

Weakness CWE-79 · XSS

Published May 4, 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 Denzel Chia | Phire Design Custom Login Page plugin <= 2.0 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Custom Login Page versions up to 2.0 contain a stored cross-site scripting (XSS) vulnerability. An authenticated administrator can inject malicious scripts into the login page that execute in the browsers of other users who visit it. The vulnerability requires administrative privileges and user interaction to exploit, but can affect site visitors across the application.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in visitors' browsers when they view the login page.

Potential impact on your site

04Site Impact

Attackers with admin access can steal visitor credentials or session tokens via the login page.

Conditions required to exploit

05Prerequisites

Administrator account access and the victim must visit the affected login page.

Key dates

06Disclosure timeline

May 4, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-26012 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

Related vulnerabilities

Identifiers

CVE CVE-2023-26012

CWE CWE-79

CVSS 5.9 / MEDIUM

Affected versions