High · 7.1 CVE-2023-51540 EUVD-2023-56252GHSA-77pp-vwgv-x2jq

WordPress Custom 404 Pro Plugin <= 3.10.0 is vulnerable to Cross Site Scripting (XSS)

Published Feb 1, 2024 · Updated Apr 28, 2026 · Assigned by Patchstack

Vendor: Kunal Nagar Product: Custom 404 Pro

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Kunal Nagar Custom 404 Pro allows Stored XSS.This issue affects Custom 404 Pro: from n/a through 3.10.0.

Affected products

Vendor	Product	Affected	Fixed
Kunal Nagar	Custom 404 Pro	≤ 3.10.0	—

References

https://patchstack.com/database/vulnerability/custom-404-pro/wordpress-custom-404-pro-plugin-3-10-0-cross-site-scripting-xss-vulnerability?_s_id=cve vdb-entry