CVE-2021-24988

WP RSS Aggregator < 4.19.3 - Subscriber+ Stored Cross-Site Scripting

Published Dec 27, 2021 CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Description
The WP RSS Aggregator WordPress plugin before 4.19.3 does not sanitise and escape data before outputting it in the System Info admin dashboard, which could lead to a Stored XSS issue due to the wprss_dismiss_addon_notice AJAX action missing authorisation and CSRF checks, allowing any authenticated users, such as subscriber to call it and set a malicious payload in the addon parameter.

Analysis

No analysis available yet

Remediation

No remediation available yet

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-11900 The WP RSS Aggregator WordPress plugin before 4.19.3 does not sanitise and escape data before outputting it in the System Info admin dashboard, which could lead to a Stored XSS issue due to the wprss_dismiss_addon_notice AJAX action missing authorisation and CSRF checks, allowing any authenticated users, such as subscriber to call it and set a malicious payload in the addon parameter.
History

No history.

Weaknesses
  • CWE-352

    Cross-Site Request Forgery (CSRF)

  • CWE-79

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

  • CWE-862

    Missing Authorization

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Aug 3, 2024, 7:49 PM
Reserved
Jan 14, 2021, 12:00 AM
Status
Modified
Published
Dec 27, 2021, 11:15 AM
Modified
Jun 17, 2026, 3:41 AM