DeDeCMS 5.7 /plus/feedback_ajax.php msg 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.
5.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in DeDeCMS 5.7. This issue affects some unknown processing of the file /plus/feedback_ajax.php. Such manipulation of the argument msg leads to cross site scripting. This vulnerability is referenced as CVE-2018-16786. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in DeDeCMS 5.7 (Content Management System). It has been rated as problematic. Affected by this issue is an unknown functionality of the file /plus/feedback_ajax.php. The manipulation of the argument msg 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. CVE summarizes:

DedeCMS 5.7 SP2 allows XSS via an onhashchange attribute in the msg parameter to /plus/feedback_ajax.php.

The bug was discovered 09/11/2018. The weakness was published 09/21/2018 (Website). The advisory is available at github.com. This vulnerability is handled as CVE-2018-16786 since 09/09/2018. The attack may be launched remotely. No form of authentication is required for exploitation. 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 10 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:plus/feedback_ajax.php it is possible to find vulnerable targets with Google Hacking.

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

Similar entry is available at VDB-124369. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
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
Google Hack: 🔍

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

09/09/2018 🔍
09/11/2018 +2 days 🔍
09/21/2018 +9 days 🔍
09/21/2018 +0 days 🔍
09/22/2018 +1 days 🔍
03/26/2020 +551 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2018-16786 (🔍)
GCVE (CVE): GCVE-0-2018-16786
GCVE (VulDB): GCVE-100-124370
See also: 🔍

Entryinfo

Created: 09/22/2018 07:47
Updated: 03/26/2020 14:39
Changes: 09/22/2018 07:47 (58), 03/26/2020 14:39 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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