CVE-2021-24498

Name: CVE-2021-24498
Creator: NVD / NIST
Published: 2021-08-02T11:15:11.033+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 3.06%

Last modified Jun 17, 2026

CVE-2021-24498 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. The Calendar Event Multi View WordPress plugin before 1.4.01 does not sanitise or escape the 'start' and 'end' GET parameters before outputting them in the page (via php/edit.php), leading to a reflected Cross-Site Scripting issue.. EPSS estimates a 3.06% chance of exploitation in the next 30 days.

Description

The Calendar Event Multi View WordPress plugin before 1.4.01 does not sanitise or escape the 'start' and 'end' GET parameters before outputting them in the page (via php/edit.php), leading to a reflected Cross-Site Scripting issue.

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

3.06%

85.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Dwbooster	Calendar Event Multi View	< 1.4.01

References

https://wpscan.com/vulnerability/3c5a5187-42b3-4f88-9b0e-4fdfa1c39e86Exploit, Third Party Advisory
https://wpscan.com/vulnerability/3c5a5187-42b3-4f88-9b0e-4fdfa1c39e86Exploit, Third Party Advisory

Timeline

Published: Aug 2, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24498?

How severe is CVE-2021-24498?

CVE-2021-24498 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 3.06% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24498?

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-2021-24498?

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

Scan your code now

Source: NVD / NIST