CVE-2023-23922: Moodle: reflected xss risk in blog search
First published: Thu Jan 19 2023(Updated: )
Blog search required additional sanitizing to prevent a reflected XSS risk. Versions affected: 4.1 and 4.0 to 4.0.5 Versions fixed: 4.1.1, 4.0.6
Credit: patrick@puiterwijk.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Moodle Moodle | >=4.0.0<4.0.6 | |
| Moodle Moodle | =4.1.0 | |
| redhat/moodle | <4.1.1 | 4.1.1 |
| redhat/moodle | <4.0.6 | 4.0.6 |
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Reference Links
- http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-76861
- https://bugzilla.redhat.com/show_bug.cgi?id=2162547
- https://moodle.org/mod/forum/discuss.php?d=443273#p1782022
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2165640
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2165641
Frequently Asked Questions
What is the vulnerability ID for this Moodle vulnerability?
The vulnerability ID for this Moodle vulnerability is CVE-2023-23922.
What is the severity of CVE-2023-23922?
The severity of CVE-2023-23922 is high with a CVSS score of 6.1.
How does the vulnerability CVE-2023-23922 occur in Moodle?
The vulnerability CVE-2023-23922 occurs in Moodle due to insufficient sanitization of user-supplied data in blog search.
How can a remote attacker exploit CVE-2023-23922?
A remote attacker can exploit CVE-2023-23922 by tricking the victim to follow a specially crafted link and execute arbitrary HTML and script code in the user's browser in the context of the vulnerable website.
Are there any patches or updates available for CVE-2023-23922?
Yes, there are patches available for CVE-2023-23922. The recommended version to fix this vulnerability is Moodle 4.1.1.
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