What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in SaifuMak Add Custom Codes add-custom-codes allows Stored XSS.This issue affects Add Custom Codes: from n/a through <= 4.80.
Explanation of Vulnerability in Simple Terms
02Summary
Add Custom Codes versions 4.80 and earlier contain a cross-site scripting (XSS) vulnerability. An authenticated administrator with high privileges can inject malicious scripts that execute in other users' browsers when they interact with affected pages. The vulnerability requires user interaction and can affect the confidentiality, integrity, and availability of the site.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that run in other users' browsers when they visit affected pages.
Potential impact on your site
04Site Impact
A malicious admin can steal session tokens, modify site content, or redirect users to phishing pages.
Conditions required to exploit
05Prerequisites
Attacker must have high-level administrator privileges and the victim must visit a page containing the injected script.
Key dates
06Disclosure timeline
December 31, 2025
CVE published
April 28, 2026
Record updated