CVE-2024-54142

Name: CVE-2024-54142
Creator: NVD / NIST
Published: 2025-01-14T23:15:08.687+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9/10EPSS 0.41%

Last modified Jun 17, 2026

CVE-2024-54142 is a critical-severity vulnerability rated 9/10 on the CVSS scale. 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 post with a onebox to said conversation. EPSS estimates a 0.41% chance of exploitation in the next 30 days.

Description

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 post with a onebox to said conversation. This issue has been addressed in commit `92f122c`. Users are advised to update. Users unable to update may remove all groups from `ai bot public sharing allowed groups` site setting.

Metrics

CVSS 3.1

9/10

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

EPSS Probability

0.41%

32.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

References

Timeline

Published: Jan 14, 2025
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2024-54142?

How severe is CVE-2024-54142?

CVE-2024-54142 has a CVSS score of 9/10 (CRITICAL severity). The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.

How do I fix CVE-2024-54142?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-54142?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST