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🟣 EPSS 22%

What is CVE-2021-24563?

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

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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

EPSS Score

22% chance of being exploited in the next 30 days.

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
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