Frontend Uploader <= 1.3.2 - Unauthenticated Stored Cross-Site Scripting
CVE-2021-24563

6.1MEDIUM

Key Information:

Vendor
Wordpress
Status
Frontend Uploader
Vendor
CVE Published:
11 October 2021

Badges

👾 Exploit Exists🟡 Public PoC

Summary

The Frontend Uploader WordPress plugin through 1.3.2 does not prevent HTML files from being uploaded via its form, allowing unauthenticated user to upload a malicious HTML file containing JavaScript for example, which will be triggered when someone access the file directly

Affected Version(s)

Frontend Uploader 1.3.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-24563
Created by V35HR4J

References

https://wpscan.com/vulnerability/e53ef41e-a176-4d00-916a-...
x_refsource_MISC
http://packetstormsecurity.com/files/165515/WordPress-Fro...
x_refsource_MISC

CVSS V3.1

Score:
6.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability Reserved

Credit

Veshraj Ghimire
.