CVE-2021-36871

WordPress WP Google Maps Pro premium plugin <= 8.1.11 - Multiple Authenticated Persistent XSS vulnerabilities

5.5 Medium

Multiple Authenticated Persistent Cross-Site Scripting (XSS) vulnerabilities in WordPress WP Google Maps Pro premium plugin (versions <= 8.1.11). Vulnerable parameters: &wpgmaps_marker_category_name, Value > &attributes[], Name > &attributes[], &icons[], &names[], &description, &link, &title.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: High
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.56%Down 0.1 points since Sep 10, 2021

What each source reports

CVE List Score used 5.5

WordPress WP Google Maps Pro premium plugin <= 8.1.11 - Multiple Authenticated Persistent XSS vulnerabilities

Record: CVE-2021-36871
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2021-23447 5.5

Record: EUVD-2021-23447
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-gxcf-q4pg-ghgr 5.4

Multiple Authenticated Persistent Cross-Site Scripting (XSS) vulnerabilities in WordPress WP...

Record: GHSA-gxcf-q4pg-ghgr
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

NVD 5.5

Record: CVE-2021-36871
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 3.5 LowAV:N/AC:M/Au:S/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-36871 is a medium vulnerability (CVSS 5.5) in Code Cabin Inc Wp Google Maps Pro, published September 9, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.56%, the 46th percentile. No source names a fixed version.