CVE-2022-46162 - CVE House

Back to Database

Status published High CVE-2022-46162

Discourse BBCode plugin vulnerable to arbitrary CSS injection

8.8 CVSS

Vulnerability Description

discourse-bbcode is the official BBCode plugin for Discourse. Prior to commit 91478f5, CSS injection can occur when rendering content generated with the discourse-bccode plugin. This vulnerability only affects sites which have the discourse-bbcode plugin installed and enabled. This issue is patched in commit 91478f5. As a workaround, ensure that the Content Security Policy is enabled and monitor any posts that contain bbcode.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2022-46162

Check My Exposure

Credits & Attribution

No credits recorded in the NVD database.

References

More from discourse

View All →

Discourse has insecure default configuration that allows non-admin moderators to takeover any non-staff account via email change

Discourse moderators can access admin-only reports exposing private upload URLs

Discourse Has Denial of Service (DoS) Vulnerability in Drafts Creation Endpoint

Discourse non-admin moderators can exfiltrate private content via post ownership transfer

Discourse users archives leaked to users with moderation privileges

Affected Vendor

discourse

View all reports →

Affected Software

discourse-bbcode

Vulnerable Versions:

< 91478f5cfecdcc43cf85b997168a8ecfd0f8df90

Timeline

Official Publish: November 30th, 2022

Last Modified: April 22nd, 2025

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1059 Command and Scripting Interpreter

T1562 Impair Defenses

Defense Evasion

T1213 Data from Information Repositories