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CVE-2021-39346

MEDIUM 4.8 CVSS 3.1
Published
November 1, 2021
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

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 WordPress components

  • Easy Google Maps Plugin · google-maps-easy
    Confirmed match Active
    From 1.9.33 (including) to 1.9.33 (including)
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Google Maps Easy Google Maps Easy — From 1.9.33 (including) to 1.9.33 (including)
  • supsystic easy_google_maps — Up to and including 1.9.33

References

  • github.com https://github.com/BigTiger2020/word-press/blob/main/Google%20Maps%20Easy.md Exploit, Third Party Advisory
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/2620851/google-maps-easy/trunk/modules/marker_groups/views/tpl/mgrEditMarkerGroup.php Patch, Third Party Advisory
  • www.wordfence.com https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39346 Third Party Advisory
  • nvd.nist.gov Official NVD record