CVE-2025-30544 HIGH

CVE-2025-30544: WordPress OK Poster Group plugin <= 1.1 - Reflected Cross Site Scripting (XSS) vulnerability

Vendor Svmidi
Product OK Poster Group
Weakness CWE-79 · XSS
Published April 1, 2025
Last update April 28, 2026

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/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 svmidi OK Poster Group ok-poster-group allows Reflected XSS.This issue affects OK Poster Group: from n/a through <= 1.1.

Explanation of Vulnerability in Simple Terms

02Summary

OK Poster Group versions 1.1 and earlier contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages. An attacker can craft a malicious link that, when clicked by a site visitor, executes arbitrary JavaScript in the victim's browser. This can lead to session hijacking, credential theft, or defacement. The vulnerability affects all users of the product up to version 1.1.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in a visitor's browser to steal session cookies, credentials, or deface the site.

Potential impact on your site

04Site Impact

Visitors' browsers can be compromised; attackers may steal login tokens, inject malware, or redirect users to phishing sites.

Conditions required to exploit

05Prerequisites

Attacker must trick a user into clicking a malicious link or visiting a crafted page (user interaction required).

Key dates

06Disclosure timeline

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

Related vulnerabilities

08Related CVE