PT-2022-27779 · Discourse · Discourse-Bbcode

Jomaxro · Published 2022-11-30 · Updated 2023-07-07 · CVE-2022-46162

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions discourse-bbcode versions prior to commit 91478f5

Description The issue affects sites with the discourse-bbcode plugin installed and enabled, allowing CSS injection when rendering content generated with the plugin. As a workaround, enabling the Content Security Policy and monitoring posts that contain bbcode can help mitigate the issue.

Recommendations For versions prior to commit 91478f5, update to a version that includes the patch from commit 91478f5 to resolve the issue. As a temporary workaround, ensure that the Content Security Policy is enabled and monitor any posts that contain bbcode.

Exploit

Fix

Special Elements Injection

XSS

Weakness Enumeration

CWE-74

CWE-79

Related Identifiers

CVE-2022-46162

GHSA-8C87-XPQV-C7MP

Affected Products

Discourse-Bbcode

References · 6

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/46xxx/CVE-2022-46162.json · Exploit
• 🔥 https://github.com/discourse/discourse-bbcode/security/advisories/GHSA-8c87-xpqv-c7mp · Exploit
• https://github.com/discourse/discourse-bbcode/commit/91478f5cfecdcc43cf85b997168a8ecfd0f8df90 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-46162 · Security Note
• https://osv.dev/vulnerability/CVE-2022-46162 · Vendor Advisory
• https://t.me/cibsecurity/53740 · Telegram Post