discourse-chat up to 0.8 Channel name/description cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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4.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in discourse-chat up to 0.8. Affected is an unknown function of the component Channel Handler. This manipulation of the argument name/description causes cross site scripting. This vulnerability appears as CVE-2022-39279. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in discourse-chat up to 0.8 (Chat Software) and classified as problematic. Affected by this vulnerability is an unknown functionality of the component Channel Handler. The manipulation of the argument name/description with an unknown input 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. The summary by CVE is:

discourse-chat is a plugin for the Discourse message board which adds chat functionality. In versions prior to 0.9 some places render a chat channel's name and description in an unsafe way, allowing staff members to cause an cross site scripting (XSS) attack by inserting unsafe HTML into them. Version 0.9 has addressed this issue. Users are advised to upgrade. There are no known workarounds for this issue.

The weakness was presented 10/07/2022 as GHSA-qp62-8m3c-9jgj. The advisory is shared at github.com. This vulnerability is known as CVE-2022-39279 since 09/02/2022. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading to version 0.9 eliminates this vulnerability. Applying the patch 25737733af48e5b9fa60b0561d7fde14bea13cce is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 4.0

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CNA Base Score: 4.3
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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

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: discourse-chat 0.9
Patch: 25737733af48e5b9fa60b0561d7fde14bea13cce

Timelineinfo

09/02/2022 🔍
10/07/2022 +35 days 🔍
10/07/2022 +0 days 🔍
10/30/2022 +23 days 🔍

Sourcesinfo

Advisory: GHSA-qp62-8m3c-9jgj
Status: Confirmed

CVE: CVE-2022-39279 (🔍)
GCVE (CVE): GCVE-0-2022-39279
GCVE (VulDB): GCVE-100-210253

Entryinfo

Created: 10/07/2022 07:46
Updated: 10/30/2022 20:23
Changes: 10/07/2022 07:46 (54), 10/30/2022 20:23 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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