CVE-2026-57399

HIGHPre-NVD 7.17.1—
EchelonGraph scoreHIGH confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-07-13. a secondary CVSS source baseline 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
7.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.1Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
7.1
EG Score
7.1(high)
EPSS
7.7%
KEV
Not listed

Published

July 13, 2026

Last Modified

July 13, 2026

Advisory Details (1)

Auto-updated Jul 13, 2026
No patch confirmed yet.
generic

Cross Site Scripting (XSS) in WordPress Proxy &amp; VPN Blocker Plugin - Patchstack

https://patchstack.com/database/Wordpress/Plugin/proxy-vpn-blocker/vulnerability/wordpress-proxy-vpn-blocker-plugin-3-5-8-cross-site-scripting-xss-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-57399(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 17× in last 7d / 17× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-15 21:15 UTCEG score recompute
  2. 2026-07-15 21:15 UTCGHSA enrichment
  3. 2026-07-15 16:57 UTCEPSS rescore
  4. 2026-07-15 16:57 UTCEPSS rescore
  5. 2026-07-15 09:23 UTCEG score recompute
  6. 2026-07-15 09:23 UTCGHSA enrichment
  7. 2026-07-15 02:00 UTCEPSS rescore
  8. 2026-07-15 02:00 UTCEPSS rescore
  9. 2026-07-14 21:32 UTCEG score recompute
  10. 2026-07-14 21:32 UTCGHSA enrichment
  11. 2026-07-14 09:41 UTCEG score recompute
  12. 2026-07-14 09:41 UTCGHSA enrichment
  13. 2026-07-13 22:31 UTCEPSS rescore
  14. 2026-07-13 21:50 UTCEG score recompute
  15. 2026-07-13 21:50 UTCGHSA enrichment
  16. 2026-07-13 09:59 UTCEG score recompute
  17. 2026-07-13 09:52 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-57399?
CVE-2026-57399 is a high vulnerability published on July 13, 2026. Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Proxy &amp; VPN Blocker Proxy &amp; VPN Blocker proxy-vpn-blocker allows Stored XSS.This issue affects Proxy &amp; VPN Blocker: from n/a through <= 3.5.8.
When was CVE-2026-57399 disclosed?
CVE-2026-57399 was first published in the National Vulnerability Database on July 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-57399 actively exploited?
CVE-2026-57399 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 7.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-57399?
CVE-2026-57399 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2026-57399?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-57399, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-57399

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