CVE-2021-25112

MEDIUM NUCLEI

WHMCS Bridge < 6.4b - Reflected Cross-Site Scripting via Error Parameter

Title source: llm

Exploitation Summary

CVE-2021-25112 has a Nuclei detection template available — see the Nuclei card below for the Shodan/FOFA recon queries.

Description

The WHMCS Bridge WordPress plugin before 6.4b does not sanitise and escape the error parameter before outputting it back in admin dashboard, leading to a Reflected Cross-Site Scripting

Nuclei Templates (1)

WordPress WHMCS Bridge <6.4b - Cross-Site Scripting

MEDIUMby dhiyaneshDk

References (2)

Core 2

Core References

Exploit, Third Party Advisory x_refsource_misc

https://wpscan.com/vulnerability/4aae2dd9-8d51-4633-91bc-ddb53ca3471c

Release Notes, Third Party Advisory x_refsource_confirm

https://plugins.trac.wordpress.org/changeset/2659751

Scores

CVSS v3 6.1

EPSS 0.0219

EPSS Percentile 80.1%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE

CWE-79

Status published

Products (1)

i-plugins/whmcs_bridge < 6.4b

Published Feb 28, 2022

Tracked Since Feb 18, 2026