CVE-2021-24978

Name: CVE-2021-24978
Creator: NVD / NIST
Published: 2022-03-28T18:15:08.423+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.52%

Last modified Jun 17, 2026

CVE-2021-24978 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. The OSMapper WordPress plugin through 2.1.5 contains an AJAX action to delete a plugin related post type named 'map' and is registered with the wp_ajax_nopriv prefix, making it available to unauthenticated users. There is no authorisation, CSRF and checks in place to ensure that the post to delete is a map one. EPSS estimates a 0.52% chance of exploitation in the next 30 days.

Description

The OSMapper WordPress plugin through 2.1.5 contains an AJAX action to delete a plugin related post type named 'map' and is registered with the wp_ajax_nopriv prefix, making it available to unauthenticated users. There is no authorisation, CSRF and checks in place to ensure that the post to delete is a map one. As a result, unauthenticated user can delete arbitrary posts from the blog

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

0.52%

40.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
B4after	Osmapper	<= 2.1.5

References

https://wpscan.com/vulnerability/f0f2af29-e21e-4d16-9424-1a49bff7fb86Exploit, Third Party Advisory
https://wpscan.com/vulnerability/f0f2af29-e21e-4d16-9424-1a49bff7fb86Exploit, Third Party Advisory

Timeline

Published: Mar 28, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24978?

How severe is CVE-2021-24978?

CVE-2021-24978 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24978?

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-2021-24978?

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

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Source: NVD / NIST