CVE-2021-39346

01.11.2021, 21:15

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.

Cross-site Scripting

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	NIST	4.8 MEDIUM	NETWORK	LOW	HIGH	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Wordfence	CNA	4.8 MEDIUM	NETWORK	LOW	HIGH	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CVE	ADP	---				---
CISA-ADP	ADP	---				---

Base Score

CVSS 3.x

EPSS Score

Percentile: 61%

Vendor	Product	Version
supsystic	easy_google_maps	𝑥 ≤ 1.9.33

𝑥

= Vulnerable software versions

Known Exploits!

Common Weakness Enumeration

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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

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