CVE-2023-23921
Moodle Cross-Site Scripting (XSS)
Description
The vulnerability was found Moodle which exists due to insufficient sanitization of user-supplied data in some returnurl parameters. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website. This flaw allows a remote attacker to perform cross-site scripting (XSS) attacks.
INFO
Published Date :
Feb. 17, 2023, 8:15 p.m.
Last Modified :
Nov. 21, 2024, 7:47 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
2.7
Exploitability Score :
2.8
Public PoC/Exploit Available at Github
CVE-2023-23921 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-2023-23921.
| URL | Resource |
|---|---|
| http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76810 | Patch |
| https://bugzilla.redhat.com/show_bug.cgi?id=2162526 | Issue Tracking Third Party Advisory |
| https://moodle.org/mod/forum/discuss.php?d=443272#p1782021 | Patch Vendor Advisory |
| http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76810 | Patch |
| https://bugzilla.redhat.com/show_bug.cgi?id=2162526 | Issue Tracking Third Party Advisory |
| https://moodle.org/mod/forum/discuss.php?d=443272#p1782021 | Patch 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).
Сканування за допомогою ПЗ Badmoodle системи дистанційного навчання ДУІТЗ
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-23921 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-23921 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76810 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2162526 Added Reference https://moodle.org/mod/forum/discuss.php?d=443272#p1782021 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Feb. 28, 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 http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76810 No Types Assigned http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76810 Patch Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2162526 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2162526 Issue Tracking, Third Party Advisory Changed Reference Type https://moodle.org/mod/forum/discuss.php?d=443272#p1782021 No Types Assigned https://moodle.org/mod/forum/discuss.php?d=443272#p1782021 Patch, Vendor Advisory Added CWE NIST CWE-79 Added CPE Configuration OR *cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* versions from (including) 3.9.0 up to (excluding) 3.9.19 *cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* versions from (including) 3.11.0 up to (excluding) 3.11.12 *cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* versions from (including) 4.0.0 up to (excluding) 4.0.6 *cpe:2.3:a:moodle:moodle:4.1.0:-:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-23921 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-2023-23921
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.14 }} 0.01%
score
0.50217
percentile