CVE-2024-50427 CRITICAL

CVE-2024-50427: WordPress SurveyJS plugin <= 1.9.136 - Arbitrary File Upload vulnerability

Vendor Devsoftbaltic

Product SurveyJS

Weakness CWE-434 · Unrestricted file upload

Published October 29, 2024

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

9.9/10

Attack vector Network

Attack complexity Low

Privileges required Low

User interaction None

Confidentiality High

Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

Unrestricted Upload of File with Dangerous Type vulnerability in devsoftbaltic SurveyJS surveyjs.This issue affects SurveyJS: from n/a through <= 1.9.136.

Explanation of Vulnerability in Simple Terms

02Summary

SurveyJS versions up to 1.9.136 allow authenticated users to upload files without proper validation. An attacker with low-level access can upload malicious files that may execute code or compromise the application. The vulnerability affects confidentiality, integrity, and availability. Update to version 2.5.5 or later.

What an attacker can do

03Attacker Capabilities

Upload and execute malicious files on the server, potentially running code or stealing data.

Potential impact on your site

04Site Impact

Compromised sites can have data stolen, modified, or deleted; attackers may gain full control.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege user account on the application.

Key dates

06Disclosure timeline

October 29, 2024 CVE published

April 28, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2024-50427 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/434.html AskarLabs — CWE-434 write-up Unrestricted Upload of File with Dangerous Type

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