cPanel WHM Login Security cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in cPanel WHM (Hosting Control Software). It has been classified as problematic. This affects an unknown code block of the component Login Security Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on confidentiality. The summary by CVE is:

Cross-site scripting (XSS) vulnerability in uploader.swf in the Uploader component in Yahoo! YUI 2.5.0 through 2.9.0 allows remote attackers to inject arbitrary web script or HTML via the allowedDomain parameter.

The weakness was published 12/18/2013 as TSR 2013-0011 as confirmed advisory (Website). The advisory is shared at This vulnerability is uniquely identified as CVE-2013-6780 since 11/12/2013. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 71063 (Fedora 20 : moodle-2.5.3-1.fc20 (2013-21312)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context local. The commercial vulnerability scanner Qualys is able to test this issue with plugin 12837 (Moodle Information Disclosure and Cross-Site Scripting Vulnerabilities).

Upgrading to version,, or eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (71063). Similar entries are available at 11604, 11605, 11606 and 11607.





  • commercial

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Cross site scripting
CWE: CWE-79 / CWE-74 / CWE-707
ATT&CK: T1059.007

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 71063
Nessus Name: Fedora 20 : moodle-2.5.3-1.fc20 (2013-21312)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867078
OpenVAS Name: Fedora Update for moodle FEDORA-2013-21354
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍
Upgrade: cPanel WHM


11/12/2013 🔍
11/13/2013 +1 days 🔍
11/25/2013 +12 days 🔍
12/16/2013 +21 days 🔍
12/18/2013 +2 days 🔍
12/20/2013 +2 days 🔍
12/26/2013 +6 days 🔍
06/04/2021 +2717 days 🔍


Advisory: TSR 2013-0011
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-6780 (🔍)
SecurityTracker: 1029528
Secunia: 56146 - cPanel Multiple Vulnerabilities, Moderately Critical
OSVDB: 101379

See also: 🔍


Created: 12/26/2013 06:28 PM
Updated: 06/04/2021 04:22 PM
Changes: 12/26/2013 06:28 PM (65), 03/29/2019 08:22 AM (7), 06/04/2021 04:22 PM (3)
Complete: 🔍


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