CVE-2021-39346 Google Maps Easy <= 1.9.33 Authenticated Stored Cross-Site Scripting
Administrators can inject arbitrary scripts in Google Maps Easy plugin when unfiltered_html is disabled, leading to stored XSS.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-39346?
CVE-2021-39346 is a medium-severity cross-site scripting vulnerability in Google Maps Easy, published on 1 Nov 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2021-39346?
It affects 1 product.
Products include Supsystic Easy Google Maps.
How do I fix CVE-2021-39346?
No fix has been published for CVE-2021-39346 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2021-39346 being exploited?
There is no known exploitation of CVE-2021-39346 in the wild and no public exploit code.
Other vulnerabilities in Google Maps Easy
- CVE-2023-33926 WordPress Easy Google Maps Plugin <= 1.11.7 is vulnerable to Cross Site Request Forgery (CSRF)
- CVE-2024-5219 Easy Google Maps <= 1.11.15 - Authenticated (Author+) Stored Cross-Site Scripting
- CVE-2021-46780 Easy Google Maps < 1.9.32 - Reflected Cross-Site Scripting
- CVE-2023-2526 Easy Google Maps <= 1.11.7 - Cross-Site Request Forgery via AJAX action
- CVE-2024-31269 WordPress Easy Google Maps plugin <= 1.11.11 - Cross Site Request Forgery (CSRF) vulnerability
Sources
Also known as GHSA-44xv-8ff2-fg74.