XSS in Discourse Discourse-ai

CVE-2024-54142

Discourse AI is a Discourse plugin which provides a number of AI features. When sharing Discourse AI Bot conversations into posts, if the conversation had HTML entities those could leak into the Discourse application when a user visited a…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (32.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-54142?
CVE-2024-54142 is a critical-severity vulnerability in Discourse Discourse-ai, classified under Cross-site Scripting. CVSS score: 9.0/10. Published 2025-01-14.
How severe is CVE-2024-54142?
Critical severity. CVSS v3 base score is 9.0 out of 10.