CMS Made Simple 2.2.8 File Upload 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.
3.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in CMS Made Simple 2.2.8 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component File Upload. The manipulation as part of SVG Document leads to cross site scripting. This vulnerability is uniquely identified as CVE-2018-19597. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in CMS Made Simple 2.2.8 (Content Management System). This issue affects an unknown part of the component File Upload. The manipulation as part of a SVG Document 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:

CMS Made Simple 2.2.8 allows XSS via an uploaded SVG document, a related issue to CVE-2017-16798.

The bug was discovered 11/28/2018. The weakness was disclosed 12/19/2018 (Website). The advisory is shared at github.com. The identification of this vulnerability is CVE-2018-19597 since 11/27/2018. 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.

The vulnerability was handled as a non-public zero-day exploit for at least 21 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

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 2.4
VulDB Temp Score: 2.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.8
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

11/27/2018 🔍
11/28/2018 +1 days 🔍
12/19/2018 +21 days 🔍
12/19/2018 +0 days 🔍
12/20/2018 +1 days 🔍
04/22/2020 +489 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2018-19597 (🔍)
GCVE (CVE): GCVE-0-2018-19597
GCVE (VulDB): GCVE-100-128117

Entryinfo

Created: 12/20/2018 07:48
Updated: 04/22/2020 07:51
Changes: 12/20/2018 07:48 (57), 04/22/2020 07:51 (1)
Complete: 🔍
Cache ID: 216::103

Submitinfo

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