CVE-2021-36873

MEDIUM NUCLEI

WordPress iQ Block Country <= 1.2.11 - Authenticated Stored Cross-Site Scripting via blockcountry_blockmessage Parameter

Title source: llm

Exploitation Summary

CVE-2021-36873 has a Nuclei detection template available — see the Nuclei card below for the Shodan/FOFA recon queries.

Description

Authenticated Persistent Cross-Site Scripting (XSS) vulnerability in WordPress iQ Block Country plugin (versions <= 1.2.11). Vulnerable parameter: &blockcountry_blockmessage.

Nuclei Templates (1)

WordPress iQ Block Country <=1.2.11 - Cross-Site Scripting

MEDIUMVERIFIEDby theamanrawat

References (2)

Core 2

Core References

Third Party Advisory x_refsource_confirm

https://wordpress.org/plugins/iq-block-country/#developers

Third Party Advisory x_refsource_misc

https://patchstack.com/database/vulnerability/iq-block-country-/wordpress-iq-block-country-plugin-1-2-11-authenticated-persistent-cross-site-scripting-xss-vulnerability

Scores

CVSS v3 5.5

EPSS 0.0119

EPSS Percentile 64.0%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (2)

Webence/iQ Block Country 1.2.11

webence/iq_block_country < 1.2.11

Published Sep 23, 2021

Tracked Since Feb 18, 2026