Discourse up to 3.1.0/3.2.0.beta1 POST Request information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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 3.1.0/3.2.0.beta1. This issue affects some unknown processing of the component POST Request Handler. Executing a manipulation can lead to information disclosure. This vulnerability is handled as CVE-2023-45131. The attack can be executed remotely. Additionally, an exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Discourse up to 3.1.0/3.2.0.beta1 and classified as problematic. This vulnerability affects some unknown functionality of the component POST Request Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:

Discourse is an open source platform for community discussion. New chat messages can be read by making an unauthenticated POST request to MessageBus. This issue is patched in the 3.1.1 stable and 3.2.0.beta2 versions of Discourse. Users are advised to upgrade. There are no known workarounds for this vulnerability.

The weakness was released 10/17/2023 as GHSA-84gf-hhrc-9pw6. The advisory is shared for download at github.com. This vulnerability was named CVE-2023-45131 since 10/04/2023. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

Upgrading to version 3.1.1 or 3.2.0.beta2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (52375). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Discourse 3.1.1/3.2.0.beta2

Timelineinfo

10/04/2023 🔍
10/17/2023 +13 days 🔍
10/17/2023 +0 days 🔍
07/27/2025 +649 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-84gf-hhrc-9pw6
Status: Confirmed

CVE: CVE-2023-45131 (🔍)
GCVE (CVE): GCVE-0-2023-45131
GCVE (VulDB): GCVE-100-242356
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/17/2023 08:12
Updated: 07/27/2025 04:09
Changes: 10/17/2023 08:12 (50), 07/27/2025 04:09 (25)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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