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Software intelligence

Whmcs Bridge vulnerabilities

3 tracked advisories · slug whmcs-bridge

Important: Whmcs Bridge appearing in this catalog does not mean your website is affected. Exposure depends on your installed version. How SiteRespond intelligence works

Tracked advisories

3

Latest advisory

7 July 2026

CISA KEV matches

0

In this WordPress feed

WordPress slug

whmcs-bridge

Plugin

What this means for Whmcs Bridge

This catalog lists 3 known advisories affecting Whmcs Bridge. The most recent was published on 7 July 2026. If you use this software, compare your installed version against the affected ranges on each advisory and update to a fixed release outside those ranges. SiteRespond Defence checks your actual installed version when the plugin is connected — listing here does not by itself mean your site is vulnerable.

Latest issues

  • WHMCS Bridge <= 6.9 - Unauthenticated Arbitrary File Upload via 'ccce' Parameter

    May allow attackers to run arbitrary code on the server if exploited.

    Published 7 July 2026

  • WHMCS Bridge <= 6.3 - Reflected Cross-Site Scripting

    May allow attackers to run scripts in visitors' browsers or hijack admin sessions.

    Published 27 January 2022

  • WHMCS Bridge <= 6.1 Subscriber+ Stored Cross-Site Scripting

    May allow attackers to run scripts in visitors' browsers or hijack admin sessions.

    Published 14 January 2022

Vulnerability types

  • Cross-site scripting2
  • Remote code execution1

Authentication (inferred from titles)

  • Unauthenticated1
  • Authenticated1
  • Unspecified1

Advisory history

Known Whmcs Bridge advisories published by month.

All advisories

Check whether your installed version is affected

SiteRespond Defence matches your installed Whmcs Bridge version against this catalog when the Defence plugin is connected to your WordPress site.