CVE-2021-39346

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

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.

Remediation

Solution:

  • Update to version 1.10.1 or newer.

Category

4.8
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.43%
Third-Party Advisory github.com Third-Party Advisory wordpress.org Third-Party Advisory wordfence.com
Affected: Google Maps Easy Google Maps Easy
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2021-39346?
CVE-2021-39346 has been scored as a medium severity vulnerability.
How to fix CVE-2021-39346?
To fix CVE-2021-39346: Update to version 1.10.1 or newer.
Is CVE-2021-39346 being actively exploited in the wild?
It is possible that CVE-2021-39346 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-39346?
CVE-2021-39346 affects Google Maps Easy Google Maps Easy.
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