Discourse up to 2.8.12/3.0.0.beta15 URL cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Discourse up to 2.8.12/3.0.0.beta15. Impacted is an unknown function of the component URL Handler. Executing a manipulation can lead to cross site scripting. This vulnerability is handled as CVE-2023-22468. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Discourse up to 2.8.12/3.0.0.beta15. This vulnerability affects some unknown functionality of the component URL Handler. The manipulation 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. CVE summarizes:

Discourse is an open source platform for community discussion. Versions prior to 2.8.13 (stable), 3.0.0.beta16 (beta) and 3.0.0beta16 (tests-passed), are vulnerable to cross-site Scripting. A maliciously crafted URL can be included in a post to carry out cross-site scripting attacks on sites with disabled or overly permissive CSP (Content Security Policy). Discourse's default CSP prevents this vulnerability. This vulnerability is patched in versions 2.8.13 (stable), 3.0.0.beta16 (beta) and 3.0.0beta16 (tests-passed). As a workaround, enable and/or restore your site's CSP to the default one provided with Discourse.

The weakness was released 01/27/2023 as GHSA-8mr2-xf8r-wr8m. The advisory is available at github.com. This vulnerability was named CVE-2023-22468 since 12/29/2022. 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 2.8.13 or 3.0.0.beta16 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: 6.2
VulDB Meta Temp Score: 6.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CNA Base Score: 8.8
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 2.8.13/3.0.0.beta16

Timelineinfo

12/29/2022 🔍
01/27/2023 +29 days 🔍
01/27/2023 +0 days 🔍
02/20/2023 +24 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-8mr2-xf8r-wr8m
Status: Confirmed

CVE: CVE-2023-22468 (🔍)
GCVE (CVE): GCVE-0-2023-22468
GCVE (VulDB): GCVE-100-219466

Entryinfo

Created: 01/27/2023 10:30
Updated: 02/20/2023 10:06
Changes: 01/27/2023 10:30 (50), 02/20/2023 10:06 (11)
Complete: 🔍
Cache ID: 216::103

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