CVE-2021-39346

Summary

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 Software

Weaknesses

• CWE-79: CWE-79 Cross-site Scripting (XSS)

ADP Enrichment

CVE Program Container

Additional 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

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

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

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