Discourse up to 3.1.0 Digest Email Preview UI cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Discourse up to 3.1.0. The impacted element is an unknown function of the component Digest Email Preview UI. The manipulation results in cross site scripting. This vulnerability is known as CVE-2023-43659. It is possible to launch the attack remotely. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Discourse up to 3.1.0. Affected is some unknown functionality of the component Digest Email Preview UI. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity. CVE summarizes:

Discourse is an open source platform for community discussion. Improper escaping of user input allowed for Cross-site Scripting attacks via the digest email preview UI. This issue only affects sites with CSP disabled. This issue has been patched in the 3.1.1 stable release as well as the 3.2.0.beta1 release. Users are advised to upgrade. Users unable to upgrade should ensure CSP is enabled on the forum.

The weakness was published 10/17/2023 as GHSA-g4qg-5q2h-m8ph. The advisory is available at github.com. This vulnerability is traded as CVE-2023-43659 since 09/20/2023. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

Upgrading to version 3.1.1 or 3.2.0.beta1 eliminates this vulnerability.

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

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.6

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CNA Base Score: 8.0
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 3.1.1/3.2.0.beta1

Timelineinfo

09/20/2023 🔍
10/17/2023 +27 days 🔍
10/17/2023 +0 days 🔍
11/03/2023 +17 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-g4qg-5q2h-m8ph
Status: Confirmed

CVE: CVE-2023-43659 (🔍)
GCVE (CVE): GCVE-0-2023-43659
GCVE (VulDB): GCVE-100-242370

Entryinfo

Created: 10/17/2023 08:23
Updated: 11/03/2023 15:50
Changes: 10/17/2023 08:23 (50), 11/03/2023 15:50 (11)
Complete: 🔍
Cache ID: 216::103

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