CVE-2023-43659
Discourse Cross-Site Scripting (XSS) Vulnerability
Description
Discourse is an open source platform for community discussion. Improper escaping of user input allowed for Cross-site Scripting attacks via the digest email preview UI. This issue only affects sites with CSP disabled. This issue has been patched in the 3.1.1 stable release as well as the 3.2.0.beta1 release. 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. 19, 2023, 5:56 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
2.1
Public PoC/Exploit Available at Github
CVE-2023-43659 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2023-43659.
| URL | Resource |
|---|---|
| https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP | Third Party Advisory |
| https://github.com/discourse/discourse/security/advisories/GHSA-g4qg-5q2h-m8ph | Vendor Advisory |
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).
Custom GitHub profile 📃 README, periodically auto updated using actions.
profile readme profile-readme github-profile github-profile-readme actions github-actions automated metrics
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-43659 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-43659 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. 19, 2023
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:L/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/security/advisories/GHSA-g4qg-5q2h-m8ph No Types Assigned https://github.com/discourse/discourse/security/advisories/GHSA-g4qg-5q2h-m8ph Vendor Advisory Added CPE Configuration OR *cpe:2.3:a:discourse:discourse:*:*:*:*:stable:*:*:* versions up to (including) 3.1.1 *cpe:2.3:a:discourse:discourse:3.2.0:beta1:*:*:beta:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-43659 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-2023-43659
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.05 }} 0.00%
score
0.21953
percentile