CuppaCMS cu_views SVG Document 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 (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
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 classified as problematic was found in CuppaCMS. Affected by this vulnerability is an unknown functionality of the file administrator/#/component/table_manager/view/cu_views. Executing a manipulation as part of SVG Document can lead to cross site scripting. This vulnerability is registered as CVE-2018-19918. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in CuppaCMS (version unknown). It has been declared as problematic. This vulnerability affects an unknown function of the file administrator/#/component/table_manager/view/cu_views. The manipulation as part of a SVG Document leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. CVE summarizes:

CuppaCMS has XSS via an SVG document uploaded to the administrator/#/component/table_manager/view/cu_views URI.

The bug was discovered 08/16/2018. The weakness was published 12/31/2018 (GitHub Repository). The advisory is available at github.com. This vulnerability was named CVE-2018-19918 since 12/06/2018. The attack can be initiated remotely. The successful exploitation requires a single authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 137 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Name

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.5
VulDB Temp Score: 3.3
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/16/2018 🔍
12/06/2018 +112 days 🔍
12/31/2018 +25 days 🔍
12/31/2018 +0 days 🔍
01/01/2019 +1 days 🔍
05/06/2025 +2317 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-19918 (🔍)
GCVE (CVE): GCVE-0-2018-19918
GCVE (VulDB): GCVE-100-128590

Entryinfo

Created: 01/01/2019 12:08
Updated: 05/06/2025 21:48
Changes: 01/01/2019 12:08 (55), 04/25/2020 15:29 (2), 05/06/2025 21:48 (17)
Complete: 🔍
Cache ID: 216::103

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