CVE-2024-23834 - CVE House

Back to Database

Status published Medium CVE-2024-23834

Discourse improperly sanitized user input leads to XSS

6.3 CVSS

Vulnerability Description

Discourse is an open-source discussion platform. Improperly sanitized user input could lead to an XSS vulnerability in some situations. This vulnerability only affects Discourse instances which have disabled the default Content Security Policy. The vulnerability is patched in 3.1.5 and 3.2.0.beta5. As a workaround, ensure Content Security Policy is enabled and does not include `unsafe-inline`.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2024-23834

Check My Exposure

Credits & Attribution

No credits recorded in the NVD database.

References

More from discourse

View All →

Discourse has insecure default configuration that allows non-admin moderators to takeover any non-staff account via email change

Discourse moderators can access admin-only reports exposing private upload URLs

Discourse Has Denial of Service (DoS) Vulnerability in Drafts Creation Endpoint

Discourse non-admin moderators can exfiltrate private content via post ownership transfer

Discourse users archives leaked to users with moderation privileges

Affected Vendor

discourse

View all reports →

Affected Software

discourse

Vulnerable Versions:

< 3.1.5, >= 3.2.0.beta1, < 3.2.0.beta5

Timeline

Official Publish: January 30th, 2024

Last Modified: October 17th, 2024

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1189 Drive-by Compromise

T1059.007 JavaScript

T1539 Steal Web Session Cookie

T1213 Data from Information Repositories

T1567 Exfiltration Over Web Service

T1491.001 Defacement