CVE-2025-22804 MEDIUM

CVE-2025-22804: WordPress Author Avatars List/Block plugin <= 2.1.23 - Stored Cross Site Scripting (XSS) vulnerability

Vendor Paul Bearne
Product Author Avatars List/Block
Weakness CWE-79 · XSS
Published January 9, 2025
Last update April 28, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Paul Bearne Author Avatars List/Block author-avatars allows Stored XSS.This issue affects Author Avatars List/Block: from n/a through <= 2.1.23.

Explanation of Vulnerability in Simple Terms

02Summary

Author Avatars List/Block versions up to 2.1.23 contain a cross-site scripting vulnerability. An authenticated user with low privileges can inject malicious scripts that execute in other users' browsers when they view affected pages. The vulnerability requires user interaction and can affect the confidentiality, integrity, and availability of the site.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers when they view affected pages.

Potential impact on your site

04Site Impact

Authenticated users can inject scripts affecting other visitors; impacts site security and user trust.

Conditions required to exploit

05Prerequisites

Attacker must have low-level authenticated access and the victim must visit a page containing the injected content.

Key dates

06Disclosure timeline

January 9, 2025 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE