PT-2022-23148 · Discourse · Discourse-Chat

Pmusaraj · Published 2022-09-06 · Updated 2022-09-09 · CVE-2022-36057

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Discourse-Chat versions prior to 0.9

Description The issue affects users of Discourse Chat, an asynchronous messaging plugin for the Discourse open-source discussion platform. Admin users can insert HTML into chat titles and descriptions, causing a Cross-Site Scripting (XSS) attack.

Recommendations For versions prior to 0.9, update to version 0.9 to resolve the issue. As a temporary workaround, consider restricting admin users' ability to insert HTML into chat titles and descriptions until the patch is applied.

Exploit

Fix

XSS

Weakness Enumeration

CWE-80

CWE-79

Related Identifiers

CVE-2022-36057

GHSA-3VF2-WRJX-P6XJ

Affected Products

Discourse-Chat

References · 6

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/36xxx/CVE-2022-36057.json · Exploit
• https://github.com/discourse/discourse-chat/pull/1205 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-36057 · Security Note
• https://osv.dev/vulnerability/CVE-2022-36057 · Vendor Advisory
• https://github.com/discourse/discourse-chat/security/advisories/GHSA-3vf2-wrjx-p6xj · Note
• https://t.me/cibsecurity/49373 · Telegram Post