CVE-2021-39346

Google Maps Easy <= 1.9.33 Authenticated Stored Cross-Site Scripting

4.8 Medium

The Google Maps Easy WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and sanitization via several parameters found in the ~/modules/marker_groups/views/tpl/mgrEditMarkerGroup.php file which allowed attackers with administrative user access to inject arbitrary web scripts, in versions up to and including 1.9.33. This affects multi-site installations where unfiltered_html is disabled for administrators, and sites where unfiltered_html is disabled.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: High
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.97%Up 0.1 points since Nov 2, 2021

What each source reports

CVE List Score used 4.8

Google Maps Easy <= 1.9.33 Authenticated Stored Cross-Site Scripting

Record: CVE-2021-39346
CVSS 3.1: 4.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2021-25707 4.8

Record: EUVD-2021-25707
CVSS 3.1: 4.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-44xv-8ff2-fg74 No score

The Google Maps Easy WordPress plugin is vulnerable to Stored Cross-Site Scripting due to...

Record: GHSA-44xv-8ff2-fg74
Weakness: CWE-79
Updated: 2026-11-02

NVD 4.8

Record: CVE-2021-39346
CVSS 3.1: 4.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 2.1 LowAV:N/AC:H/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-2021-39346 is a medium vulnerability (CVSS 4.8) in Google Maps Easy Maps Easy, published November 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.97%, the 62nd percentile. No source names a fixed version.