CVE-2020-12077

Name: CVE-2020-12077
Creator: NVD / NIST
Published: 2020-04-23T03:15:10.887+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 5.61%

Last modified Jun 17, 2026

CVE-2020-12077 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The mappress-google-maps-for-wordpress plugin before 2.53.9 for WordPress does not correctly implement AJAX functions with nonces (or capability checks), leading to remote code execution.. EPSS estimates a 5.61% chance of exploitation in the next 30 days.

Description

The mappress-google-maps-for-wordpress plugin before 2.53.9 for WordPress does not correctly implement AJAX functions with nonces (or capability checks), leading to remote code execution.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

5.61%

91.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Mappresspro	Mappress	< 2.53.9

References

https://wordpress.org/plugins/mappress-google-maps-for-wordpress/#developersRelease Notes, Third Party Advisory
https://www.wordfence.com/blog/2020/04/critical-vulnerabilities-patched-in-mappress-maps-plugin/Exploit, Third Party Advisory
https://wordpress.org/plugins/mappress-google-maps-for-wordpress/#developersRelease Notes, Third Party Advisory
https://www.wordfence.com/blog/2020/04/critical-vulnerabilities-patched-in-mappress-maps-plugin/Exploit, Third Party Advisory

Timeline

Published: Apr 23, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-12077?

The mappress-google-maps-for-wordpress plugin before 2.53.9 for WordPress does not correctly implement AJAX functions with nonces (or capability checks), leading to remote code execution.

How severe is CVE-2020-12077?

CVE-2020-12077 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 5.61% probability of exploitation in the next 30 days.

How do I fix CVE-2020-12077?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-12077?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST