CVE-2022-46162CWE-74

Discourse BBCode plugin vulnerable to arbitrary CSS injection

High · published November 30, 2022

CVSS v3.1
8.8
EPSS
1%
Percentile
67.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01185 · 67.6th percentile
Weakness
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Published
2022-11-30T00:00Z
EPSS history
Timeline
  • 30 NOV 00:00Z
    Discourse BBCode plugin vulnerable to arbitrary CSS injection
    cvelistv5