CVE-2023-30491 HIGH

CVE-2023-30491: WordPress CodeBard's Patron Button and Widgets for Patreon Plugin <= 2.1.8 is vulnerable to Cross Site Scripting (XSS)

Vendor Codebard
Product CodeBard's Patron Button and Widgets for Patreon
Weakness CWE-79 · XSS
Published August 5, 2023
Last update April 28, 2026

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in CodeBard CodeBard's Patron Button and Widgets for Patreon plugin <= 2.1.8 versions.

Explanation of Vulnerability in Simple Terms

02Summary

CodeBard's Patron Button and Widgets for Patreon versions up to 2.1.8 contain a cross-site scripting (XSS) vulnerability. An attacker can inject malicious scripts that execute in visitors' browsers when they view pages containing the widget. The vulnerability requires user interaction and can affect multiple users across the site. Update to a version newer than 2.1.8 to remediate.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in visitors' browsers when they view the widget.

Potential impact on your site

04Site Impact

Visitors' browsers can execute attacker-controlled code, potentially stealing session tokens or redirecting users.

Conditions required to exploit

05Prerequisites

Visitor must view a page containing the vulnerable widget; no special attacker privileges required.

Key dates

06Disclosure timeline

August 5, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE