CVE-2021-24660

Name: CVE-2021-24660
Creator: NVD / NIST
Published: 2021-09-27T16:15:09.003+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.52%

Last modified Jun 17, 2026

CVE-2021-24660 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. The PostX – Gutenberg Blocks for Post Grid WordPress plugin before 2.4.10, with Saved Templates Addon enabled, allows users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks via the plugin's shortcode.. EPSS estimates a 0.52% chance of exploitation in the next 30 days.

Description

The PostX – Gutenberg Blocks for Post Grid WordPress plugin before 2.4.10, with Saved Templates Addon enabled, allows users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks via the plugin's shortcode.

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

0.52%

39.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Wpxpo	Postx - Gutenberg Blocks For Post Grid	< 2.4.10

References

https://wpscan.com/vulnerability/af14ac23-843d-4f80-beaf-237618109eddThird Party Advisory
https://wpscan.com/vulnerability/af14ac23-843d-4f80-beaf-237618109eddThird Party Advisory

Timeline

Published: Sep 27, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24660?

How severe is CVE-2021-24660?

CVE-2021-24660 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24660?

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-2021-24660?

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

Scan your code now

Source: NVD / NIST