CVE-2024-47772

Name: CVE-2024-47772
Creator: NVD / NIST
Published: 2024-10-07T21:15:18.383+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.33%

Last modified Jun 17, 2026

CVE-2024-47772 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Discourse is an open source platform for community discussion. An attacker can execute arbitrary JavaScript on users' browsers by sending a maliciously crafted chat message and replying to it. EPSS estimates a 0.33% chance of exploitation in the next 30 days.

Description

Discourse is an open source platform for community discussion. An attacker can execute arbitrary JavaScript on users' browsers by sending a maliciously crafted chat message and replying to it. This issue only affects sites with CSP disabled. This problem is patched in the latest version of Discourse. All users are advised to upgrade. Users unable to upgrade should ensure CSP is enabled on the forum. Users who do upgrade should also consider enabling a CSP as well as a proactive measure.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.33%

24.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions	Update
Discourse	Discourse	< 3.3.2	—
Discourse	Discourse	< 3.4.0	—
Discourse	Discourse	3.4.0	Beta1

References

https://developer.mozilla.org/en-US/docs/Web/HTTP/CSPMitigation, Third Party Advisory
https://github.com/discourse/discourse/security/advisories/GHSA-67mh-xhmf-c56hVendor Advisory

Timeline

Published: Oct 7, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-47772?

How severe is CVE-2024-47772?

CVE-2024-47772 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.

How do I fix CVE-2024-47772?

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-2024-47772?

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

Scan your code now

Source: NVD / NIST