CVE-2023-43658
Discourse Calendar Cross-Site Scripting (XSS)
Description
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.
INFO
Published Date :
Oct. 16, 2023, 10:15 p.m.
Last Modified :
Oct. 20, 2023, 5:47 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.1
Affected Products
The following products are affected by CVE-2023-43658
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2023-43658.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-43658 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-43658 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Oct. 20, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Changed Reference Type https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP No Types Assigned https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP Third Party Advisory Changed Reference Type https://github.com/discourse/discourse-calendar/commit/9788310906febb36822d6823d14f1059c39644de No Types Assigned https://github.com/discourse/discourse-calendar/commit/9788310906febb36822d6823d14f1059c39644de Patch Changed Reference Type https://github.com/discourse/discourse-calendar/security/advisories/GHSA-3fwj-f6ww-7hr6 No Types Assigned https://github.com/discourse/discourse-calendar/security/advisories/GHSA-3fwj-f6ww-7hr6 Vendor Advisory Added CPE Configuration OR *cpe:2.3:a:discourse:discourse_calendar:*:*:*:*:*:discourse:*:* versions up to (including) 2023-10-16
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-43658 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2023-43658
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.08 }} 0.00%
score
0.35638
percentile