CVE-2025-30962 HIGH

CVE-2025-30962: WordPress FS Poster plugin <= 6.5.8 - Reflected Cross Site Scripting (XSS) vulnerability

Vendor Fs-Code
Product FS Poster
Weakness CWE-79 · XSS
Published April 15, 2025
Last update April 28, 2026
View on NVD All CVEs

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 fs-code FS Poster fs-poster allows Reflected XSS.This issue affects FS Poster: from n/a through <= 6.5.8.

Explanation of Vulnerability in Simple Terms

02Summary

FS Poster versions 6.5.8 and earlier contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into the application. An attacker can craft a malicious link or page that, when visited by a user, executes arbitrary JavaScript in the victim's browser. This can lead to session hijacking, credential theft, or defacement of site content.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in a user's browser to steal session tokens, credentials, or modify page content.

Potential impact on your site

04Site Impact

Users visiting the site can have their sessions hijacked, credentials stolen, or see malicious content injected into pages they view.

Conditions required to exploit

05Prerequisites

The victim must visit a malicious link or page crafted by the attacker while logged into or viewing the vulnerable application.

Key dates

06Disclosure timeline

April 15, 2025 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE

CVE-2026-13425 Database for CF7 <= 1.2.6 - Unauthenticated Stored Cross-Site Scripting via Array Form Field Values CVE-2026-65762 Joomla Extension - phoca.cz - Reflected XSS vulnerability in Phoca Guestbook 5.0.0-6.1.0 CVE-2026-65483 WordPress HashThemes Demo Importer plugin <= 1.4.2 - Cross Site Scripting (XSS) vulnerability CVE-2026-8791 Booking System Trafft <= 1.0.17 - Authenticated (Subscriber+) Stored Cross-Site Scripting CVE-2026-17162 WowStore <= 4.4.24 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'currentPostId' Block Attribute