CVE-2021-24409

Name: CVE-2021-24409
Creator: NVD / NIST
Published: 2021-07-12T20:15:08.797+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.79%

Last modified Jun 17, 2026

CVE-2021-24409 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. The Prismatic WordPress plugin before 2.8 does not escape the 'tab' GET parameter before outputting it back in an attribute, leading to a reflected Cross-Site Scripting issue which will be executed in the context of a logged in administrator. EPSS estimates a 1.79% chance of exploitation in the next 30 days.

Description

The Prismatic WordPress plugin before 2.8 does not escape the 'tab' GET parameter before outputting it back in an attribute, leading to a reflected Cross-Site Scripting issue which will be executed in the context of a logged in administrator

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

1.79%

75.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Plugin-Planet	Prismatic	< 2.8

References

https://wpscan.com/vulnerability/ae3cd3ed-aecd-4d8c-8a2b-2936aaaef0cfExploit, Third Party Advisory
https://wpscan.com/vulnerability/ae3cd3ed-aecd-4d8c-8a2b-2936aaaef0cfExploit, Third Party Advisory

Timeline

Published: Jul 12, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24409?

How severe is CVE-2021-24409?

CVE-2021-24409 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.79% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24409?

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-2021-24409?

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

Scan your code now

Source: NVD / NIST