CVE-2022-46162

Discourse BBCode plugin vulnerable to arbitrary CSS injection

Published: Nov 30, 2022Updated: Nov 21, 2024 Sources: CVE List NVDCWE-74

8.8HIGH

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-74 CWE-79

Affected Products

discourse

commercial·USaka discourse.org

Exploitability

1 exploit source identified

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Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

3 techniques

Execution

Initial Access

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References

https://github.com/discourse/discourse-bbcode/commit/91478f5cfecdcc43cf85b997168a8ecfd0f8df90

github.com

https://github.com/discourse/discourse-bbcode/security/advisories/GHSA-8c87-xpqv-c7mp

github.com

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