PT-2023-14818 · Discourse · Discourse-Mermaid-Theme-Component+1

0-0Eth0 + 2 · Publicado 2023-01-04 · Atualizado 2023-01-10 · CVE-2022-46180

Positive Technologies (AI Summary)

CVSS v3.1

5.0

Média

Vetor base

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

Name of the Vulnerable Software and Affected Versions Discourse Mermaid (discourse-mermaid-theme-component) version 1.0.0

Description The issue allows users who can create posts to inject arbitrary HTML on that post, using the Mermaid syntax in Discourse, open-source forum software.

Recommendations For version 1.0.0, update the theme component to version 1.1.0 through the admin UI to resolve the issue. As a temporary workaround, consider disabling the discourse-mermaid-theme-component until the update is applied.

Exploit

Correção

XSS

Special Elements Injection

Enumeração de Fraquezas

CWE-79

CWE-74

Identificadores relacionados

CVE-2022-46180

GHSA-8437-HGCM-P3Q3

Produtos afetados

Discourse

Discourse-Mermaid-Theme-Component

Referências · 7

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/46xxx/CVE-2022-46180.json · Exploit
• https://github.com/discourse/discourse-mermaid-theme-component/pull/14 · Correção
• https://github.com/discourse/discourse-mermaid-theme-component/commit/c10bc4a08bf865cee20e5d5dffba535762813f0f · Correção
• https://github.com/discourse/discourse-mermaid-theme-component/security/advisories/GHSA-8437-hgcm-p3q3 · Nota
• https://osv.dev/vulnerability/CVE-2022-46180 · Aviso do Fabricante
• https://t.me/cibsecurity/55911 · Publicação no Telegram
• https://nvd.nist.gov/vuln/detail/CVE-2022-46180 · Nota de Segurança