CVE-2021-24831

Name: CVE-2021-24831
Creator: NVD / NIST
Published: 2022-01-03T13:15:08.263+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.20%

Last modified Jun 17, 2026

CVE-2021-24831 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. All AJAX actions of the Tab WordPress plugin before 1.3.2 are available to both unauthenticated and authenticated users, allowing unauthenticated attackers to modify various data in the plugin, such as add/edit/delete arbitrary tabs.. EPSS estimates a 1.20% chance of exploitation in the next 30 days.

Description

All AJAX actions of the Tab WordPress plugin before 1.3.2 are available to both unauthenticated and authenticated users, allowing unauthenticated attackers to modify various data in the plugin, such as add/edit/delete arbitrary tabs.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.20%

64.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Rich-Web	Tab	< 1.3.2

References

https://wpscan.com/vulnerability/75ed9f5f-e091-4372-a6cb-57958ad5f900Exploit, Third Party Advisory
https://wpscan.com/vulnerability/75ed9f5f-e091-4372-a6cb-57958ad5f900Exploit, Third Party Advisory

Timeline

Published: Jan 3, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24831?

How severe is CVE-2021-24831?

CVE-2021-24831 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.20% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24831?

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-2021-24831?

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

Scan your code now

Source: NVD / NIST