Name: CVE-2026-57399: Improper Neutralization of Input During Web Page Generation
Creator: Rapid7
Published: 2026-07-13T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-57399, CWE-79, CVSS 7.1, EPSS 0.00251

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.

CVSS Details

CVSS 3.1 Base Score: 7.1
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Proxy Vpn Blocker Plugin	—	Update proxy-vpn-blocker plugin to version 3.5.9, or a newer patched version	Jul 15, 2026	Jul 8, 2026

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CVSS Details

Covered by Rapid7

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