vulnerability

WordPress Plugin: supportboard: CVE-2021-24807: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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Severity

CVSS

(AV:N/AC:M/Au:S/C:N/I:P/A:N)

Published

Oct 7, 2021

Added

May 15, 2025

Modified

Apr 30, 2026

Description

The Support Board WordPress plugin before 3.3.5 allows Authenticated (Agent+) users to perform Cross-Site Scripting attacks by placing a payload in the notes field, when an administrator or any authenticated user go to the chat the XSS will be automatically executed.

Solution

supportboard-plugin-cve-2021-24807

References

https://www.cve.org/CVERecord?id=CVE-2021-24807
https://www.wordfence.com/threat-intel/vulnerabilities/id/a43adbf2-0e85-4e70-a18f-8001a86b224e?source=api-prod
https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-11719
CVE-2021-24807
https://attackerkb.com/topics/CVE-2021-24807
CWE-79
EUVD-EUVD-2021-11719

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