vulnerability

WordPress Plugin: wpdiscuz: CVE-2021-24737: 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

Sep 13, 2021

Added

May 15, 2025

Modified

Apr 30, 2026

Description

The Comments - wpDiscuz WordPress plugin through 7.3.0 does not properly sanitize or escape the Follow and Unfollow messages before outputting them in the page, which could allow high privilege users to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.

Solution

wpdiscuz-plugin-cve-2021-24737

References

https://www.cve.org/CVERecord?id=CVE-2021-24737
https://www.wordfence.com/threat-intel/vulnerabilities/id/afbf555a-1b70-4966-9b05-46e9de04e660?source=api-prod
https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-11649
CVE-2021-24737
https://attackerkb.com/topics/CVE-2021-24737
CWE-79
EUVD-EUVD-2021-11649

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