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Vulnerability record · CVE-2021-25026 · published 14 March 2022

CVE-2021-25026: Patreon wordpress cross-site scripting vulnerability

Patreon · Patreon Wordpress

The Patreon WordPress plugin before 1.8.2 does not sanitise and escape the field "Custom Patreon Page name", which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

5.5 CVSS 3.1 Medium EPSS 0.70% · top 48.8% CWE-79 · Cross-site scripting
5.5CVSS 3.1 base score, v2 3.5
0.70%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

The Patreon WordPress plugin before 1.8.2 does not sanitise and escape the field "Custom Patreon Page name", which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://plugins.trac.wordpress.org/changeset/2682069 PatchThird Party Advisory
https://wpscan.com/vulnerability/02756dd3-832a-4846-b9e1-a34f148b5cfe ExploitThird Party Advisory
https://plugins.trac.wordpress.org/changeset/2682069 PatchThird Party Advisory
https://wpscan.com/vulnerability/02756dd3-832a-4846-b9e1-a34f148b5cfe ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2018-20984Patreon wordpress deserialization of untrusted data vulnerabilityThe patreon-connect plugin before 1.2.2 for WordPress has Object Injection.EPSS 2.0%9.6CVE-2021-24228Patreon wordpress cross-site scripting vulnerabilityThe Jetpack Scan team identified a Reflected Cross-Site Scripting in the Login Form of the Patreon WordPress plugin before 1.7.2. The WordPress login…EPSS 1.9%9.6CVE-2021-24229Patreon wordpress cross-site scripting vulnerabilityThe Jetpack Scan team identified a Reflected Cross-Site Scripting via the patreon_save_attachment_patreon_level AJAX action of the Patreon WordPress …EPSS 1.8%8.8CVE-2023-41129Patreon wordpress cross-site request forgery vulnerabilityCross-Site Request Forgery (CSRF) vulnerability in Patreon Patreon WordPress.This issue affects Patreon WordPress: from n/a through 1.8.6.EPSS 0.29%8.1CVE-2021-24230Patreon wordpress cross-site request forgery vulnerabilityThe Jetpack Scan team identified a Cross-Site Request Forgery vulnerability in the Patreon WordPress plugin before 1.7.0, allowing attackers to make …EPSS 0.60%7.5CVE-2021-24227Patreon wordpress information exposure vulnerabilityThe Jetpack Scan team identified a Local File Disclosure vulnerability in the Patreon WordPress plugin before 1.7.0 that could be abused by anyone vi…EPSS 5.9%6.5CVE-2021-24231Patreon wordpress cross-site request forgery vulnerabilityThe Jetpack Scan team identified a Cross-Site Request Forgery vulnerability in the Patreon WordPress plugin before 1.7.0, allowing attackers to make …EPSS 0.58%6.1CVE-2026-42897Microsoft Exchange Server XSS enables spoofingMicrosoft Exchange Server and Exchange Server Subscription Edition fail to neutralize input during web page generation, a cross-site scripting flaw (…KEVEPSS 0.52%analysed

Source: NIST National Vulnerability Database (record CVE-2021-25026), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.