CVE-2023-26519 MEDIUM

CVE-2023-26519: WordPress Publish to Schedule Plugin <= 4.5.4 is vulnerable to Cross Site Scripting (XSS)

Vendor Alex Benfica

Product Publish to Schedule

Weakness CWE-79 · XSS

Published May 6, 2023

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

5.9/10

Attack vector Network

Attack complexity Low

Privileges required High

User interaction Required

Confidentiality Low

Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Alex Benfica Publish to Schedule plugin <= 4.5.4 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Publish to Schedule versions up to 4.5.4 contain a stored cross-site scripting (XSS) vulnerability. An authenticated user with high privileges can inject malicious scripts that execute in the browsers of other users viewing affected pages. The vulnerability requires user interaction to trigger and affects the integrity and confidentiality of site data.

What an attacker can do

03Attacker Capabilities

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

Potential impact on your site

04Site Impact

Trusted admins or editors could compromise other users' sessions, steal data, or deface site content.

Conditions required to exploit

05Prerequisites

Attacker must have high-level admin or editor privileges and the victim must visit a page containing the injected script.

Key dates

06Disclosure timeline

May 6, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-26519 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

Related vulnerabilities