CVE-2022-36057

Summary

Discourse-Chat is an asynchronous messaging plugin for the Discourse open-source discussion platform. Users of Discourse Chat can be affected by admin users inserting HTML into chat titles and descriptions, causing a Cross-Site Scripting (XSS) attack. Version 0.9 contains a patch for this issue.

Affected Software

Weaknesses

• CWE-80: CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
• CWE-79: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/discourse/discourse-chat/security/advisories/GHSA-3vf2-wrjx-p6xj
• https://github.com/discourse/discourse-chat/pull/1205

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://github.com/discourse/discourse-chat/security/advisories/GHSA-3vf2-wrjx-p6xj
• https://github.com/discourse/discourse-chat/pull/1205

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