CVE-2022-39279

Discourse-chat plugin susceptible to XSS in channel name and description

CVSS 4.3 MEDIUMEPSS 0.4%CWE-79

Vexday Risk Score

13Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 4.3EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

06 out 2022Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

discourse-chat is a plugin for the Discourse message board which adds chat functionality. In versions prior to 0.9 some places render a chat channel's name and description in an unsafe way, allowing staff members to cause an cross site scripting (XSS) attack by inserting unsafe HTML into them. Version 0.9 has addressed this issue. Users are advised to upgrade. There are no known workarounds for this issue.

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

Produtos afetados

discourse · discourse-chat

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Referências

https://github.com/discourse/discourse-chat/commit/25737733af48e5b9fa60b0561d7fde14bea13cce https://github.com/discourse/discourse-chat/security/advisories/GHSA-qp62-8m3c-9jgj