CVE-2023-45607 MEDIUM

CVE-2023-45607: WordPress WordPress Popular Posts Plugin <= 6.3.2 is vulnerable to Cross Site Scripting (XSS)

Vendor Hector Cabrera
Product WordPress Popular Posts
Weakness CWE-79 · XSS
Published October 18, 2023
Last update April 28, 2026
View on NVD All CVEs

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

Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in Hector Cabrera WordPress Popular Posts plugin <= 6.3.2 versions.

Explanation of Vulnerability in Simple Terms

02Summary

WordPress Popular Posts plugin versions up to 6.3.2 contain a stored cross-site scripting (XSS) vulnerability. An authenticated user with low privileges can inject malicious scripts through plugin settings. When other users, including administrators, view affected pages, the injected code executes in their browsers. This can lead to account compromise or unauthorized actions.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that execute when other users view the site, potentially stealing credentials or performing actions as those users.

Potential impact on your site

04Site Impact

Attackers with contributor or subscriber access can compromise admin accounts or modify site content through stored XSS attacks.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege WordPress account and the victim must view a page containing the vulnerable plugin output.

Key dates

06Disclosure timeline

October 18, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE

CVE-2026-15665 Fluent Support <= 2.3.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'redirect-to' Shortcode Attribute CVE-2026-65492 WordPress Dokan Pro plugin <= 5.0.0 - Cross Site Scripting (XSS) vulnerability CVE-2026-65538 WordPress Machete plugin <= 5.2 - Cross Site Scripting (XSS) vulnerability CVE-2026-65764 Joomla Extension - phoca.cz - Reflected XSS vulnerability in Phoca Maps 5.0.0-6.1.1 CVE-2026-15333 Cozy Blocks <= 2.2.11 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'cozyCustomFont' Block Attribute