CVE-2023-43658

dicourse-calendar is a plugin for the Discourse messaging platform which adds the ability to create a dynamic calendar in the first post of a topic. Improper escaping of event titles could lead to Cross-site Scripting (XSS) within the 'email preview' UI when a site has CSP disabled. Having CSP disabled is a non-default configuration, so the vast majority of sites are unaffected. This problem is resolved in the latest version of the discourse-calendar plugin. Users are advised to upgrade. Users unable to upgrade should ensure CSP is enabled on the forum.
Configurations

Configuration 1 (hide)

cpe:2.3:a:discourse:discourse_calendar:*:*:*:*:*:discourse:*:*

History

21 Nov 2024, 08:24

Type Values Removed Values Added
References () https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP - Third Party Advisory () https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP - Third Party Advisory
References () https://github.com/discourse/discourse-calendar/commit/9788310906febb36822d6823d14f1059c39644de - Patch () https://github.com/discourse/discourse-calendar/commit/9788310906febb36822d6823d14f1059c39644de - Patch
References () https://github.com/discourse/discourse-calendar/security/advisories/GHSA-3fwj-f6ww-7hr6 - Vendor Advisory () https://github.com/discourse/discourse-calendar/security/advisories/GHSA-3fwj-f6ww-7hr6 - Vendor Advisory
CVSS v2 : unknown
v3 : 6.1
v2 : unknown
v3 : 8.0

20 Oct 2023, 17:47

Type Values Removed Values Added
First Time Discourse discourse Calendar
Discourse
References (MISC) https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP - (MISC) https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP - Third Party Advisory
References (MISC) https://github.com/discourse/discourse-calendar/security/advisories/GHSA-3fwj-f6ww-7hr6 - (MISC) https://github.com/discourse/discourse-calendar/security/advisories/GHSA-3fwj-f6ww-7hr6 - Vendor Advisory
References (MISC) https://github.com/discourse/discourse-calendar/commit/9788310906febb36822d6823d14f1059c39644de - (MISC) https://github.com/discourse/discourse-calendar/commit/9788310906febb36822d6823d14f1059c39644de - Patch
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 6.1
CPE cpe:2.3:a:discourse:discourse_calendar:*:*:*:*:*:discourse:*:*

16 Oct 2023, 22:15

Type Values Removed Values Added
New CVE

Information

Published : 2023-10-16 22:15

Updated : 2024-11-21 08:24


NVD link : CVE-2023-43658

Mitre link : CVE-2023-43658

CVE.ORG link : CVE-2023-43658


JSON object : View

Products Affected

discourse

  • discourse_calendar
CWE
CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')