Cross-Site Scripting Vulnerability in HumHub by HumHub GmbH
CVE-2019-11564

6.1MEDIUM

Key Information:

Vendor

Humhub

Status
Humhub
Vendor
CVE Published:
8 May 2019

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2019-11564?

A vulnerability in HumHub 1.3.12 permits remote attackers to exploit a cross-site scripting flaw, injecting arbitrary web scripts or HTML into the application. This occurs through specially crafted POST requests targeting the /protected/vendor/codeception/codeception/tests/data/app/view/index.php endpoint. Users and administrators should take necessary precautions to safeguard their installations against potential exploitation.

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-2019-11564 - Proof of Concept

References

https://humhub.org/en/news
x_refsource_MISC
https://www.exploit-db.com/exploits/46771/
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

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.