CVE-2023-28931 MEDIUM

CVE-2023-28931: WordPress Post Connector Plugin <= 1.0.9 is vulnerable to Cross Site Scripting (XSS)

Vendor Never5

Product Post Connector

Weakness CWE-79 · XSS

Published August 8, 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 Never5 Post Connector plugin <= 1.0.9 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Post Connector versions up to 1.0.9 contain a cross-site scripting (XSS) vulnerability that allows authenticated administrators to inject malicious scripts. The vulnerability requires user interaction—typically clicking a crafted link—and affects the site's integrity and confidentiality. Site owners should update to a version newer than 1.0.9 to remediate.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that execute in other users' browsers when they visit affected pages.

Potential impact on your site

04Site Impact

An admin account holder could be tricked into executing scripts that compromise site data or user sessions.

Conditions required to exploit

05Prerequisites

Attacker must have administrator privileges and the victim must click a malicious link or visit a crafted page.

Key dates

06Disclosure timeline

August 8, 2023 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-28931 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/79.html AskarLabs — CWE-79 write-up Cross-Site Scripting

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