CVE-2023-5544

Moodle: stored xss and potential idor risk in wiki comments

Severity Score

5.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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

Los comentarios de Wiki requirieron restricciones de acceso y sanitización adicionales para evitar un riesgo XSS almacenado y un riesgo potencial de IDOR.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-10-12 CVE Reserved
2023-11-09 CVE Published
2024-08-02 CVE Updated
2025-04-15 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-639: Authorization Bypass Through User-Controlled Key

CAPEC

References (3)

URL	Tag	Source
https://bugzilla.redhat.com/show_bug.cgi?id=2243443	Issue Tracking

URL	Date	SRC

URL	Date	SRC
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-79509	2023-11-15
https://moodle.org/mod/forum/discuss.php?d=451585	2023-11-15

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				>= 3.9.0 < 3.9.24 Search vendor "Moodle" for product "Moodle" and version " >= 3.9.0 < 3.9.24"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				>= 3.11.0 < 3.11.17 Search vendor "Moodle" for product "Moodle" and version " >= 3.11.0 < 3.11.17"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				>= 4.0.0 < 4.0.11 Search vendor "Moodle" for product "Moodle" and version " >= 4.0.0 < 4.0.11"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				>= 4.1.0 < 4.1.6 Search vendor "Moodle" for product "Moodle" and version " >= 4.1.0 < 4.1.6"		-		Affected
Moodle Search vendor "Moodle"		Moodle Search vendor "Moodle" for product "Moodle"				>= 4.2.0 < 4.2.3 Search vendor "Moodle" for product "Moodle" and version " >= 4.2.0 < 4.2.3"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				7.0 Search vendor "Redhat" for product "Enterprise Linux" and version "7.0"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				37 Search vendor "Fedoraproject" for product "Fedora" and version "37"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				38 Search vendor "Fedoraproject" for product "Fedora" and version "38"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				39 Search vendor "Fedoraproject" for product "Fedora" and version "39"		-		Affected