External Link Vulnerability in Wise Chat Plugin for WordPress
CVE-2019-6780

6.1MEDIUM

Key Information:

Vendor

Wordpress
Status
Wise Chat
Vendor
CVE Published:
24 January 2019

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2019-6780?

The Wise Chat plugin for WordPress exhibits a vulnerability due to improper handling of external links. Specifically, the omission of 'noopener' and 'noreferrer' attributes in the rendering of external links can lead to security risks such as phishing attacks and performance issues. This flaw exists in versions prior to 2.7, making it essential for users to update to the latest version to mitigate the potential threat.

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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-2019-6780 - Proof of Concept

References

https://plugins.trac.wordpress.org/changeset/2016929/wise...
x_refsource_MISC
https://wordpress.org/plugins/wise-chat/#developers
x_refsource_MISC
https://www.exploit-db.com/exploits/46247/
exploitx_refsource_EXPLOIT-DB

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

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

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