Threat intelligence

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

CVE-2021-4074 · whmcs-bridge

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Whmcs Bridge at a vulnerable version. How SiteRespond intelligence works

Vulnerability: WHMCS Bridge <= 6.1 Subscriber+ Stored Cross-Site Scripting
Affected software: whmcs-bridge(Plugin)
Affected versions: ≤ 6.1
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2021-4074
Published: 14 January 2022
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Source: Data imported from Wordfence Intelligence (advisory 24ba85a0-dbc7-4c9d-a67f-d449c1d275ab). Methodology and redistribution notes

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.

Start SiteRespond Defence for WordPress — £29.99/monthScan your website

All Whmcs Bridge advisoriesBack to catalog