CVE-2021-24567

Name: CVE-2021-24567
Creator: NVD / NIST
Published: 2024-01-16T16:15:09.05+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.51%

Last modified Jun 17, 2026

CVE-2021-24567 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. The Simple Post WordPress plugin through 1.1 does not sanitize user input when an authenticated user Text value, then it does not escape these values when outputting to the browser leading to an Authenticated Stored XSS Cross-Site Scripting issue.. EPSS estimates a 0.51% chance of exploitation in the next 30 days.

Description

The Simple Post WordPress plugin through 1.1 does not sanitize user input when an authenticated user Text value, then it does not escape these values when outputting to the browser leading to an Authenticated Stored XSS Cross-Site Scripting issue.

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

0.51%

39.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Nickmomrik	Simple Post	<= 1.1

References

https://wpscan.com/vulnerability/a3cd3115-2181-4e14-8b39-4de096433847/Exploit, Third Party Advisory
https://wpscan.com/vulnerability/a3cd3115-2181-4e14-8b39-4de096433847/Exploit, Third Party Advisory

Timeline

Published: Jan 16, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24567?

How severe is CVE-2021-24567?

CVE-2021-24567 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.51% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24567?

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-2021-24567?

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

Scan your code now

Source: NVD / NIST