Vulnerability identifier: #VU69701

Vulnerability risk: Low

CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-46150

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Discourse
Web applications / Forum & blogging software

Vendor: Civilized Discourse Construction Kit, Inc.

Description

The vulnerability allows a remote user to gain access to potentially sensitive information.

The vulnerability exists due to exposure of hidden tags in the subject of notification emails. A remote user can gain unauthorized access to sensitive potentially information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Discourse: 2.8.0 - 2.9.0 beta13

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External links
http://github.com/discourse/discourse/security/advisories/GHSA-rqvq-94h8-p5wv
http://github.com/discourse/discourse/commit/84c83e8d4a1907f8a2972f0ab44b6402aa910c3b

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.