CVE-2025-31790 MEDIUM

CVE-2025-31790: WordPress Posten plugin <= 0.0.1 - Cross Site Scripting (XSS) vulnerability

Vendor Binsaifullah
Product Posten
Weakness CWE-79 · XSS
Published April 1, 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 Binsaifullah Posten posten-post-blocks allows DOM-Based XSS.This issue affects Posten: from n/a through <= 0.0.1.

Explanation of Vulnerability in Simple Terms

02Summary

Posten versions 0.0.1 and earlier contain a cross-site scripting (XSS) vulnerability that allows an authenticated user to inject malicious scripts. When a victim visits a page containing the attacker's payload, the script executes in their browser with access to their session. The vulnerability affects the integrity and confidentiality of user data within the application scope.

What an attacker can do

03Attacker Capabilities

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

Potential impact on your site

04Site Impact

User sessions and data can be compromised if authenticated users visit pages with injected malicious content.

Conditions required to exploit

05Prerequisites

Attacker must be authenticated with low-level privileges and the victim must visit a page containing the malicious payload.

Key dates

06Disclosure timeline

April 1, 2025 CVE published
April 28, 2026 Record updated