Medium severity · published Nov 1, 2021
CVE-2021-39346
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…
4.8
CVSS
1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EG
Easy Google Maps · Supsystic
through 1.9.33 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-39346
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-39346
Exploit
https://github.com/BigTiger2020/word-press/blob/main/Google%20Maps%20Easy.md
Patch
https://plugins.trac.wordpress.org/changeset/2620851/google-maps-easy/trunk/modules/marker_groups/views/tpl/mgrEditMarkerGroup.php
Third Party Advisory
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39346
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