cPanel up to 74.0.7 Site Software Moderation Interface cross site scripting

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in cPanel up to 74.0.7 and classified as problematic. This issue affects some unknown processing of the component Site Software Moderation Interface. The manipulation leads to cross site scripting. This vulnerability is documented as CVE-2018-20876. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in cPanel up to 74.0.7 (Hosting Control Software). It has been rated as problematic. This issue affects an unknown part of the component Site Software Moderation Interface. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product 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. Impacted is integrity. The summary by CVE is:

cPanel before 74.0.8 allows self XSS in the Site Software Moderation interface (SEC-434).

The weakness was released 08/01/2019 (Website). The advisory is shared at documentation.cpanel.net. The identification of this vulnerability is CVE-2018-20876 since 07/31/2019. The attack may be initiated remotely. A simple authentication is necessary for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading to version 74.0.8 eliminates this vulnerability.

Entries connected to this vulnerability are available at VDB-139118, VDB-139119, VDB-139120 and VDB-139122. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: cPanel 74.0.8

Timelineinfo

07/31/2019 🔍
08/01/2019 +1 days 🔍
08/01/2019 +0 days 🔍
07/17/2020 +351 days 🔍

Sourcesinfo

Advisory: documentation.cpanel.net
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-20876 (🔍)
GCVE (CVE): GCVE-0-2018-20876
GCVE (VulDB): GCVE-100-139121
See also: 🔍

Entryinfo

Created: 08/01/2019 16:54
Updated: 07/17/2020 14:01
Changes: 08/01/2019 16:54 (57), 07/17/2020 14:01 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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