CVE-2025-31394 HIGH

CVE-2025-31394: WordPress More Mime Type Filters plugin <= 0.3 - CSRF to Stored XSS vulnerability

Vendor Kailey (Trepmal)
Product More Mime Type Filters
Weakness CWE-79 · XSS
Published April 9, 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 Kailey (trepmal) More Mime Type Filters more-mime-type-filters allows Stored XSS.This issue affects More Mime Type Filters: from n/a through <= 0.3.

Explanation of Vulnerability in Simple Terms

02Summary

More Mime Type Filters versions 0.3 and earlier contain a cross-site scripting (XSS) vulnerability. An attacker can inject malicious scripts that execute in the browsers of site visitors, potentially stealing session tokens or performing actions on their behalf. The vulnerability requires user interaction—typically visiting a crafted link—and affects the broader site scope beyond the plugin itself.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in visitors' browsers, stealing credentials or performing unauthorized actions.

Potential impact on your site

04Site Impact

Visitors' browsers can be compromised; attackers may steal admin sessions or modify site content via victim accounts.

Conditions required to exploit

05Prerequisites

No authentication required. Victim must visit a crafted link or page containing the malicious payload.

Key dates

06Disclosure timeline

April 9, 2025 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE