CVE-2023-5544 : Wiki comments required additional sanitizing and access restrictions to prevent

Wiki comments required additional sanitizing and access restrictions to prevent a stored XSS risk and potential IDOR risk.

Published 2023-11-09 20:15:10

Updated 2023-11-15 14:36:12

Source Fedora Project

View at NVD, CVE.org

Vulnerability category: Cross site scripting (XSS)

Products affected by CVE-2023-5544

Redhat » Enterprise Linux » Version: 7.0
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
Matching versions
Moodle » Moodle
Versions from including (>=) 4.0.0 and before (<) 4.0.11
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
Matching versions
Moodle » Moodle
Versions from including (>=) 3.11.0 and before (<) 3.11.17
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
Matching versions
Moodle » Moodle
Versions from including (>=) 3.9.0 and before (<) 3.9.24
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
Matching versions
Moodle » Moodle
Versions from including (>=) 4.2.0 and before (<) 4.2.3
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
Matching versions
Moodle » Moodle
Versions from including (>=) 4.1.0 and before (<) 4.1.6
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 37
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 38
cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 39
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.06%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 30 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.4	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N	2.3	2.7	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None
6.5	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N	3.9	2.5	Fedora Project
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: Low Availability: None

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Assigned by:
- nvd@nist.gov (Primary)
- patrick@puiterwijk.org (Secondary)
CWE-639 Authorization Bypass Through User-Controlled Key

The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

Assigned by: nvd@nist.gov (Primary)

http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-79509

Official Moodle git projects - moodle.git/search
Patch
https://moodle.org/mod/forum/discuss.php?d=451585

Moodle.org: MSA-23-0036: Stored XSS and potential IDOR risk in Wiki comments | Moodle.org
Mailing List;Patch
https://bugzilla.redhat.com/show_bug.cgi?id=2243443

2243443 – (CVE-2023-5544, MSA-23-0036) CVE-2023-5544 moodle: Stored XSS and potential IDOR risk in Wiki comments
Issue Tracking

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