discourse-chat up to 0.8 Channel name/description cross site scripting
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.0 | $0-$5k | 0.00 |
Summary
A vulnerability was found in discourse-chat up to 0.8 and classified as problematic. Affected by this issue is some unknown functionality of the component Channel Handler. The manipulation of the argument name/description leads to cross site scripting. This vulnerability is handled as CVE-2022-39279. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Details
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.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.0VulDB 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.): 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Cross site scriptingCWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: discourse-chat 0.9
Patch: 25737733af48e5b9fa60b0561d7fde14bea13cce
Timeline
09/02/2022 🔍10/07/2022 🔍
10/07/2022 🔍
10/30/2022 🔍
Sources
Advisory: GHSA-qp62-8m3c-9jgjStatus: Confirmed
CVE: CVE-2022-39279 (🔍)
GCVE (CVE): GCVE-0-2022-39279
GCVE (VulDB): GCVE-100-210253
Entry
Created: 10/07/2022 07:46 AMUpdated: 10/30/2022 08:23 PM
Changes: 10/07/2022 07:46 AM (54), 10/30/2022 08:23 PM (11)
Complete: 🔍
Cache ID: 18:739:40
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