discourse-chat XSS via unsafe rendering (pre0.9)
CVE-2022-39279 Published on October 6, 2022
Discourse-chat plugin susceptible to XSS in channel name and description
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.
Vulnerability Analysis
CVE-2022-39279 can be exploited with network access, requires user interaction and user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be low. considered to have a small impact on confidentiality and integrity and availability.
Weakness Type
What is a XSS Vulnerability?
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CVE-2022-39279 has been classified to as a XSS vulnerability or weakness.
Products Associated with CVE-2022-39279
Want to know whenever a new CVE is published for Discourse Chat? stack.watch will email you.
Affected Versions
discourse-chat Version < 0.9 is affected by CVE-2022-39279Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.