CVE-2021-24592

Name: CVE-2021-24592
Creator: NVD / NIST
Published: 2021-08-30T15:15:07.7+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 0.62%

Last modified Jun 17, 2026

CVE-2021-24592 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. The Sitewide Notice WP WordPress plugin before 2.3 does not sanitise some of its settings before outputting them in frontend pages, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed. EPSS estimates a 0.62% chance of exploitation in the next 30 days.

Description

The Sitewide Notice WP WordPress plugin before 2.3 does not sanitise some of its settings before outputting them in frontend pages, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

Metrics

CVSS 3.1

4.8/10

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

EPSS Probability

0.62%

45.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Yoohooplugins	Sitewide Notice	< 2.3

References

https://wpscan.com/vulnerability/9579ff13-9597-4a77-8cb9-997e35265d22Exploit, Third Party Advisory
https://wpscan.com/vulnerability/9579ff13-9597-4a77-8cb9-997e35265d22Exploit, Third Party Advisory

Timeline

Published: Aug 30, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24592?

How severe is CVE-2021-24592?

CVE-2021-24592 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.62% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24592?

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-2021-24592?

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

Scan your code now

Source: NVD / NIST