CVE-2020-11508

Name: CVE-2020-11508
Creator: NVD / NIST
Published: 2020-04-07T19:15:12.957+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.78%

Last modified Jun 17, 2026

CVE-2020-11508 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. An XSS vulnerability in the WP Lead Plus X plugin through 0.98 for WordPress allows logged-in users with minimal permissions to create or replace existing pages with a malicious page containing arbitrary JavaScript via the wp_ajax_core37_lp_save_page (aka core37_lp_save_page) AJAX action.. EPSS estimates a 0.78% chance of exploitation in the next 30 days.

Description

An XSS vulnerability in the WP Lead Plus X plugin through 0.98 for WordPress allows logged-in users with minimal permissions to create or replace existing pages with a malicious page containing arbitrary JavaScript via the wp_ajax_core37_lp_save_page (aka core37_lp_save_page) AJAX action.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.78%

51.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Wpleadplus	Wp Lead Plus X	<= 0.98

References

https://www.wordfence.com/blog/2020/04/critical-vulnerabilities-in-the-wp-lead-plus-x-wordpress-plugin/Exploit, Third Party Advisory
https://www.wordfence.com/blog/2020/04/critical-vulnerabilities-in-the-wp-lead-plus-x-wordpress-plugin/Exploit, Third Party Advisory

Timeline

Published: Apr 7, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-11508?

How severe is CVE-2020-11508?

CVE-2020-11508 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.78% probability of exploitation in the next 30 days.

How do I fix CVE-2020-11508?

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-2020-11508?

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

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Source: NVD / NIST