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CVE-2021-36873: Authenticated Persistent Cross-Site Scripting (XSS) vulnerability in WordPress iQ Block Country plugin (versions <= 1.2.11). Vulnerable parameter: &blockcountry_blockmessage.

medium Affects iq-block-country (WordPress plugin). Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

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

Package
iq-block-country (WordPress plugin) WordPress
Affected versions
<=1.2.11
Fixed in
no fix recorded
Severity
medium  CVSS 5.5
Exploitation
not on CISA KEV · EPSS 1% (68.5th percentile)
Published
2021-09-23
Source
nvd

References

CWE-79
NVD recordiq-block-country (WordPress plugin) advisories

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# then
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