What’s Vulnerable › Vulnerabilities

CVE-2021-39346: Google Maps Easy <= 1.9.33 Authenticated Stored Cross-Site Scripting

• Severity: low (CVSS 2.1 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-11-01 · updated 2026-06-17
• Weakness: CWE-79

Description

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.

Affected products

• supsystic Easy Google Maps: through 1.9.33

References

• https://github.com/BigTiger2020/word-press/blob/main/Google%20Maps%20Easy.md
• https://plugins.trac.wordpress.org/changeset/2620851/google-maps-easy/trunk/modules/marker_groups/views/tpl/mgrEditMarkerGroup.php
• https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39346
• https://github.com/BigTiger2020/word-press/blob/main/Google%20Maps%20Easy.md
• https://plugins.trac.wordpress.org/changeset/2620851/google-maps-easy/trunk/modules/marker_groups/views/tpl/mgrEditMarkerGroup.php
• https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39346

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