What’s Vulnerable › Vulnerabilities

CVE-2026-57399: WordPress Proxy & VPN Blocker plugin <= 3.5.8 - Cross Site Scripting (XSS) vulnerability

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-13 · updated 2026-07-13
• Weakness: CWE-79

Description

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.

Affected products

• Proxy &amp; VPN Blocker: through 3.5.8

References

• 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

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