vulnerability

WordPress Plugin: wp-rss-aggregator: CVE-2021-24768: 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

Nov 1, 2021

Added

May 15, 2025

Modified

Apr 30, 2026

Description

The WP RSS Aggregator WordPress plugin before 4.19.2 does not properly sanitise and escape the URL to Blacklist field, allowing malicious HTML to be inserted by high privilege users even when the unfiltered_html capability is disallowed, which could lead to Cross-Site Scripting issues.

Solution

wp-rss-aggregator-plugin-cve-2021-24768

References

https://www.cve.org/CVERecord?id=CVE-2021-24768
https://www.wordfence.com/threat-intel/vulnerabilities/id/b0d8a530-53fd-4e2f-aa57-d75c89dc2a51?source=api-prod
https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-11680
CVE-2021-24768
https://attackerkb.com/topics/CVE-2021-24768
CWE-79
EUVD-EUVD-2021-11680

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