CVE-2025-30858 HIGH

CVE-2025-30858: WordPress Snow Storm plugin <= 1.4.6 - Reflected Cross Site Scripting (XSS) vulnerability

Vendor Tribulant Software
Product Snow Storm
Weakness CWE-79 · XSS
Published April 3, 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 Tribulant Software Snow Storm snow-storm allows Reflected XSS.This issue affects Snow Storm: from n/a through <= 1.4.6.

Explanation of Vulnerability in Simple Terms

02Summary

Snow Storm versions 1.4.6 and earlier contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages. The vulnerability requires user interaction—victims must visit a crafted link or page. When exploited, attackers can steal session cookies, redirect users, or deface content. The impact extends beyond the vulnerable component to affect other parts of the application.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that execute in users' browsers to steal data, redirect traffic, or deface pages.

Potential impact on your site

04Site Impact

Users visiting crafted links could have sessions hijacked, credentials stolen, or see malicious content injected into your site.

Conditions required to exploit

05Prerequisites

No authentication required. Victim must click a malicious link or visit an attacker-controlled page.

Key dates

06Disclosure timeline

April 3, 2025 CVE published
April 28, 2026 Record updated