High severity7.1NVD Advisory· Published Jul 13, 2026· Updated Jul 13, 2026

CVE-2026-57399

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Proxy & VPN Blocker Proxy & VPN Blocker proxy-vpn-blocker allows Stored XSS.This issue affects Proxy & VPN Blocker: from n/a through <= 3.5.8.

Affected products

WordPress/Proxy VPN Blockerllm-fuzzy
Range: <=3.5.8
Package: https://wordpress.org/plugins/proxy-vpn-blocker

Patches

Vulnerability mechanics

References

patchstack.com/database/Wordpress/Plugin/proxy-vpn-blocker/vulnerability/wordpress-proxy-vpn-blocker-plugin-3-5-8-cross-site-scripting-xss-vulnerabilitynvd

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