Q: What is the authoritative source for CVE-2026-57399?

CVE-2026-57399 (CVE-2026-57399) is catalogued in NVD + CISA KEV + FIRST EPSS and curated for EU compliance use cases by SQUR.

Question 1

What is CVE-2026-57399 — CVE-2026-57399?

Accepted Answer

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.

Question 2

What is the authoritative source for CVE-2026-57399?

Accepted Answer

CVE-2026-57399 (CVE-2026-57399) is catalogued in NVD + CISA KEV + FIRST EPSS and curated for EU compliance use cases by SQUR.

CVSS	7.1 ()
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Last modified	2026-07-13

CVE-2026-57399CVE-2026-57399

Description

Scoring