Stored xss in quiz grading report via user id number
CVE-2023-5546

5.4MEDIUM

Key Information:

Vendor

Fedora

Status
moodle
4.1.6
Fedora
Extra Packages for Enterprise Linux 7
Vendor
CVE Published:
9 November 2023

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2023-5546?

ID numbers displayed in the quiz grading report required additional sanitizing to prevent a stored XSS risk.

Affected Version(s)

4.1.6 and 4.0.11

moodle 4.2.3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-5546
Created by obelia01

References

http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=...
https://bugzilla.redhat.com/show_bug.cgi?id=2243445
issue-trackingx_refsource_REDHAT
https://moodle.org/mod/forum/discuss.php?d=451587

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

.